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Journal articles on the topic 'Mobius Groups'

Author: Grafiati

Published: 6 September 2023

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1

Gehring, F. W., and G. J. Martin. "Axial distances in discrete Mobius groups." Proceedings of the National Academy of Sciences 89, no. 6 (March 15, 1992): 1999–2001. http://dx.doi.org/10.1073/pnas.89.6.1999.

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2

Tan, Delin. "On Two-Generator Discrete Groups of Mobius Transformations." Proceedings of the American Mathematical Society 106, no. 3 (July 1989): 763. http://dx.doi.org/10.2307/2047433.

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3

Cao, Chun. "Some Trace Inequalities for Discrete Groups of Mobius Transformations." Proceedings of the American Mathematical Society 123, no. 12 (December 1995): 3807. http://dx.doi.org/10.2307/2161910.

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4

Velani, Sanju L. "Geometrically finite groups, Khintchine-type theorems and Hausdorff dimension." Mathematical Proceedings of the Cambridge Philosophical Society 120, no. 4 (November 1996): 647–62. http://dx.doi.org/10.1017/s0305004100001626.

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1·1. Groups of the first kind. In [11], Patterson proved a hyperbolic space analogue of Khintchine's theorem on simultaneous Diophantine approximation. In order to state Patterson's theorem, some notation and terminology are needed. Let ‖x‖ denote the usual Euclidean norm of a vector x in k+1, k + 1-dimensional Euclidean space, and let be the unit ball model of k + 1-dimensional hyperbolic space with Poincaré metric ρ. A non-elementary geometrically finite group G acting on Bk + 1 is a discrete subgroup of Möb (Bk+l), the group of orientation preserving Mobius transformations preserving Bk + 1, for which there exists some convex fundamental polyhedron with finitely many faces. Since G is non-elementary, the limit set L(G) of G – the set of limit points in the unit sphere Sk of any orbit of G in Bk+1 – is uncountable. The group G is said to be of the first kind if L(G) = Sk and of the second kind otherwise.

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5

Arredondo, John A., and Camilo Ramírez Maluendas. "On Infinitely generated Fuchsian groups of the Loch Ness monster, the Cantor tree and the Blooming Cantor tree." Complex Manifolds 7, no. 1 (December 31, 2019): 73–92. http://dx.doi.org/10.1515/coma-2020-0004.

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AbstractIn this paper, for a non-compact Riemman surface S homeomorphic to either: the Infinite Loch Ness monster, the Cantor tree and the Blooming Cantor tree, we give a precise description of an infinite set of generators of a Fuchsian group Γ < PSL(2, ℝ), such that the quotient space ℍ/Γ is a hyperbolic Riemann surface homeomorphic to S. For each one of these constructions, we exhibit a hyperbolic polygon with an infinite number of sides and give a collection of Mobius transformations identifying the sides in pairs.

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Alghazzawi, Dilshad, M. Haris Mateen, M. Aslam Malik, P. Hammachukiattikul, and Mohammed S. Abdo. "Mobius Group Generated by Two Elements of Order 2, 4, and Reduced Quadratic Irrational Numbers." Journal of Function Spaces 2022 (April 7, 2022): 1–11. http://dx.doi.org/10.1155/2022/6320243.

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The construction of circuits for the evolution of orbits and reduced quadratic irrational numbers under the action of Mobius groups have many applications like in construction of substitution box (s-box), strong-substitution box (s.s-box), image processing, data encryption, in interest for security experts, and other fields of sciences. In this paper, we investigate the behavior of reduced quadratic irrational numbers (RQINs) in the coset diagrams of the set Q ′ ′ m = η / s : η ∈ Q ∗ m , s = 1 , 2 under the action of group H = < x ′ , y ′ : x ′ 2 = y ′ 4 = 1 > , where m is square free integer and Q ∗ m = a ′ + m / c ′ , a ′ , a ′ 2 − m / c ′ c ′ = 1 , c ′ ≠ 0 . We discuss the type and reduced cardinality of the orbit Q ′ ′ p . By using the notion of congruence, we give the general form of reduced numbers (RNs) in particular orbits under certain conditions on prime p . Further, we classify that for a reduced number r whether − r , r ¯ , − r ¯ lying in orbit or not. AMS Mathematics subject classification (2010): 05C25, 20G401.

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7

Schwartz, Stephan Andrew. "A Preliminary Survey of the Eastern Harbor, Alexandria, Egypt, Including a Comparison of Side Scan Sonar and Remote Viewing." Journal of Scientific Exploration 35, no. 3 (September 26, 2021): 485–541. http://dx.doi.org/10.31275/20211815.

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This paper reports a preliminary survey of one of humanity's most historic harbors--Alexandria, Egypt. It constitutes one phase of a broader joint land/sea examination of the largest and most famous city to bear Alexander the Great's name. The research overall had two goals: 1) to resolve locational uncertainties concerning the city's past configuration, particularly its Ptolemaic antecedents; and 2) to compare electronic remote sensing survey technologies with Remote Viewing generally, and the applications methodology developed by the Mobius Groups specifically. In the area of the Eastern Harbor, the aim of the research was: 1) the location of the ancient shore line; the locaton of and predictive description of several sites including the island of Antirrhodus and the Emporium/Poseidium/Timonium complex; a palace complex associated with Cleopatra; and a further elaboration, both in terms of location and predictive description, of the Pharos lighthouse area; 2) a comparison of Remote Viewing and side scan sonar data after each approach had surveyed the same area. This paper describes the probable location of the Emporium, the Poseidium, and the Timonium, the palace complex of Cleopatra, the island of Antirrhodus, a site at the tip of Fort Sisila (known prevously as Point Lochias), new discoveries pertaining to the lighthouse, andd an associated temple. The most important discovery though is the identification and location of the ancient seawall which extends some 65 meters farther out into the harbor than was previously suspected, and whoe location resolves a key piece in the puzzle of the ancient city's layout. The discoveries reported here were principally the result of Remote Viewing. Except for one clear "hit," side scan sonar proved unproductive because of the large amount of particulate in the water.

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8

Davis, Tracy C. "Actresses and Prostitutes in Victorian London." Theatre Research International 13, no. 3 (1988): 221–34. http://dx.doi.org/10.1017/s0307883300005794.

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Despite the tendency for Victorian performers to be credited with increasing respectability and middle-class status and for actors to receive the highest official commendations, the popular association between actresses and prostitutes and belief in actresses' inappropriate sexual conduct endured throughout the nineteenth century. In the United States, religious fundamentalism accounts for much of the prejudice, but in Great Britain, where puritanical influences were not as influential on the theatre, other factors helped to preserve the derogatory view of actresses. In certain times and places actresses did have real links with the oldest of all ‘women's professions’, but the notion that the dual identity of Roman dancers or the exploits of some Restoration performers justify the popular association between actresses and prostitutes in the Victorian era is patently insufficient. The notion persisted throughout the nineteenth century because Victorians recognized that acting and whoring were the occupations of self-sufficient women who plied their trades in public places, and because Victorians believed that actresses' male colleagues and patrons inevitably complicated transient lifestyles, economic insecurity, and night hours with sexual activity. In the spirit of Gilbert and Gubar's axiom that experience generates metaphor and metaphor creates experience, the actress and the prostitute were both objects of desire whose company was purchased through commercial exchange. While patrons bought the right to see them, to project their fantasies on them, and to denigrate and misrepresent their sexuality, both groups of women found it necessary constantly to sue for men's attention and tolerate the false imagery. Their similarities were reinforced by coexistence in neighbourhoods and work places where they excited and placated the playgoer's lust in an eternal loop, twisted like a Mobius strip into the appearance of a single surface.

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9

Szuromi, Phil. "Mobile aryl groups on graphene." Science 370, no. 6517 (November 5, 2020): 678.4–679. http://dx.doi.org/10.1126/science.370.6517.678-d.

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10

Namiot, Dmitry. "Mining groups of mobile users." International Journal of Wireless and Mobile Computing 9, no. 3 (2015): 211. http://dx.doi.org/10.1504/ijwmc.2015.073104.

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Macêdo, Raimundo J. Araújo, and Flávio M. Assis Silva. "The mobile groups approach for the coordination of mobile agents." Journal of Parallel and Distributed Computing 65, no. 3 (March 2005): 275–88. http://dx.doi.org/10.1016/j.jpdc.2004.10.001.

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12

Virtanen, Jyri, Merja Haveri, Jan Blom, Jonna Häkkilä, and Mikko T. Tarkiainen. "mCell: Facilitating Mobile Communication of Small Groups." Advances in Human-Computer Interaction 2008 (2008): 1–9. http://dx.doi.org/10.1155/2008/614987.

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Mobile communication technology offers a potential platform for new types of communication applications. Here, we describe the development and experiences with a mobile group communication application, mCell, that runs on a mobile phone. We present the underlying design implications, the application implementation, and a user study, where three groups used the application for one month. The findings of the user study reveal general user experiences with the application and show different patterns of usage depending on the social setting of the group and how the preferred features vary accordingly.

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Burlacu, Irina S., and Cathal O'Donoghue. "The impact of unemployment on the welfare of mobile workers in the European Union." Regions and Cohesion 3, no. 2 (June 1, 2013): 69–90. http://dx.doi.org/10.3167/reco.2013.030204.

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This article aims to assess the impact of the social security coordination policy on the welfare of mobile workers, defined here as the EU citizens who had previously worked in another EU country than the one where they currently reside. The following research question is investigated: "To whom does a mobile worker need to be compared: to a worker in their country of residence (domestic) or to an earner in their country of employment (mobile), and why?" The article seeks to identify the counterpart group of comparison of mobile earners, taking the case of Luxembourg and Belgium. This analysis enables us to disentangle the effects of coordination policy on more working groups, and it tries to elucidate the importance of inter-group comparison. The results illustrate that the most equally treated groups are domestic earners and mobile earners, who reside in the same country. The most unequally treated are mobile earners and domestic earners from the country of employment, the uneven contribution premiums and unemployment benefit contravenes with the principle of equal treatment praxis.Spanish El presente artículo busca evaluar el impacto de la política de coordinación de la seguridad social sobre el bienestar de los trabajadores móviles. Mediante el análisis de la cuestión ¿con quién se debe comparar un trabajador móvil?: ¿con un trabajador nacional en su país de residencia o con un trabajador móvil en el país donde trabaja, y por qué?, se trata de identificar la situación hipotética de los trabajadores móviles mediante la comparación de los ingresos de los trabajadores nacionales y móviles en el desempleo. Este análisis nos permitirá separar los efectos de las políticas de coordinación en más grupos de trabajadores, ya que trata de dilucidar el uso de las comparaciones de los diferentes grupos de trabajadores. Los resultados muestran que el nivel de las prestaciones de desempleo entre los trabajadores nacionales y móviles, es relativamente el mismo. Al mismo tiempo, aparecen grandes discrepancias en las ganancias cuando se comparan a los trabajadores móviles con los trabajadores de su país de empleo. En este caso, la desigual contribución a las primas/beneficios y las bajas prestaciones al desempleo de los trabajadores móviles y nacionales, contraviene con la práctica del principio de igualdad de trato. French Cet article a pour objectif d'évaluer l'impact de la politique de coordination de la sécurité sociale sur le bien-être des travailleurs mobiles en posant la question de savoir avec qui il faut les comparer. Faut-il comparer un employé mobile à un employé fixe travaillant dans son pays de résidence ou bien dans son pays d'emploi et pourquoi? Nous cherchons à me re en relief la situation hypothétique des travailleurs mobiles en comparant le revenu des travailleurs nationaux et mobiles au chômage. Cette analyse nous perme ra de mieux saisir les effets de la politique de coordination sur un grand nombre de travailleurs, tout comme elle nous permettra de montrer l'utilité qu'il y a de comparer ces différents groupes de travailleurs. Le résultat montre que le montant de l'allocation chômage est relativement similaire entre celui d'un travailleur fixe et mobile. Par ailleurs, on relève d'importantes différences entre le revenu des travailleurs mobiles et celui des travailleurs nationaux. Dans ce cas, la cotisation inégale aux primes et indemnités de chômage des travailleurs nationaux et mobiles contredit le principe d'égalité de traitement entre les personnes.

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14

Park, Soochang, Euisin Lee, Hosung Park, Hyungjoo Lee, and Sang-Ha Kim. "Mobile Geocasting to Support Mobile Sink Groups in Wireless Sensor Networks." IEEE Communications Letters 14, no. 10 (October 2010): 939–41. http://dx.doi.org/10.1109/lcomm.2010.091010.100194.

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15

Ruffatto III, Donald, Chenghui Nie, and Matthew Spenko. "The VIV: A Mobile Ground Robot with Variable Inertial Properties." Journal of the Robotics Society of Japan 32, no. 4 (2014): 329–32. http://dx.doi.org/10.7210/jrsj.32.329.

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16

Yamaguchi, Hiroaki, Yoichi Kanbo, and Atsushi Kawakami. "Formation Vector Control of Nonholonomic Mobile Robot Groups." IFAC Proceedings Volumes 42, no. 16 (2009): 371–76. http://dx.doi.org/10.3182/20090909-4-jp-2010.00064.

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17

Manulis, Mark, and Ahmad Reza Sadeghi. "Key agreement for heterogeneous mobile ad-hoc groups." International Journal of Wireless and Mobile Computing 4, no. 1 (2010): 17. http://dx.doi.org/10.1504/ijwmc.2010.030972.

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18

Savkin, Andrey V. "Decentralised coordination of groups of autonomous mobile robots." International Journal of Systems, Control and Communications 1, no. 1 (2008): 72. http://dx.doi.org/10.1504/ijscc.2008.019584.

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19

Abrahamyan, Suren, Serob Balyan, Harutyun Ter-Minasyan, and Alexander Degtyarev. "Collaboration and decision making tools for mobile groups." Physics of Particles and Nuclei Letters 14, no. 7 (November 24, 2017): 981–84. http://dx.doi.org/10.1134/s1547477117070020.

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20

Meng, Deyuan, Yingmin Jia, and Junping Du. "Coordination learning control for groups of mobile agents." Journal of the Franklin Institute 350, no. 8 (October 2013): 2183–211. http://dx.doi.org/10.1016/j.jfranklin.2013.04.026.

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21

Walther, U., and S. Fischer. "Metropolitan area mobile services to support virtual groups." IEEE Transactions on Mobile Computing 1, no. 2 (April 2002): 96–110. http://dx.doi.org/10.1109/tmc.2002.1038346.

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22

Gurtner, Sebastian, Ronny Reinhardt, and Katja Soyez. "Designing mobile business applications for different age groups." Technological Forecasting and Social Change 88 (October 2014): 177–88. http://dx.doi.org/10.1016/j.techfore.2014.06.020.

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23

Xi, Yong, Weisong Shi, and Loren Schwiebert. "Mobile anonymity of dynamic groups in vehicular networks." Security and Communication Networks 1, no. 3 (May 2008): 219–31. http://dx.doi.org/10.1002/sec.28.

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Amara, Sofiane, Fatima Bendella, Joaquim Macedo, and Alexandre Santos. "Forming Suitable Groups in MCSCL Environments." International Journal of Information and Communication Technology Education 17, no. 1 (January 2021): 42–56. http://dx.doi.org/10.4018/ijicte.2021010103.

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Given the peculiarities of mobile computer-supported collaborative learning (MCSCL) environments, forming suitable groups in such learning environments represents a hard and time-consuming task. This is because many conditions related to mobile learners, devices, and environment should be considered. Unlike the existing solutions, the present paper shows a grouping approach that allows a customizable formation of (1) homogeneous groups, (2) heterogeneous groups, and (3) mixed groups. The proposed solution does not only help instructors to dynamically form appropriate MCSCL groups, but it also allows to continually control the learners' learning, psychological, and social developments. To assess the effectiveness of the proposed solution, three metrics were used: (1) comparison between the characteristics of the existing group formation tools, (2) average intra-cluster distance of each grouping algorithm, and (3) an experimental evaluation in a real world environment. The obtained results show a great superiority of the proposed solution compared to the existing ones.

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25

Palackal, Antony, Paul Nyaga Mbatia, Dan-Bright Dzorgbo, Ricardo B. Duque, Marcus Antonius Ynalvez, and Wesley M. Shrum. "Are mobile phones changing social networks? A longitudinal study of core networks in Kerala." New Media & Society 13, no. 3 (March 11, 2011): 391–410. http://dx.doi.org/10.1177/1461444810393900.

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Mobile telephony has diffused more rapidly than any Indian technology in recent memory, yet systematic studies of its impact are rare, focusing on technological rather than social change. We employ network surveys of separate groups of Kerala residents in 2002 and again in 2007 to examine recent shifts in mobile usage patterns and social relationships. Results show (1) near saturation of mobiles among both the professionals and nonprofessionals sampled, (2) a decrease in the number of social linkages across tie types and physical locations, and (3) a shift towards friends and family but away from work relationships in the core networks of Malayalis. We interpret these findings as support for the bounded solidarity thesis of remote communication that emphasizes social insulation and network closure as mobiles shield individuals from their wider surroundings.

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Koivisto, Antti, Sari Merilampi, and Andrew Sirkka. "Mobile Games Individualise and Motivate Rehabilitation in Different User Groups." International Journal of Game-Based Learning 5, no. 2 (April 2015): 1–17. http://dx.doi.org/10.4018/ijgbl.2015040101.

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Trials on Mobile Games are presenting a huge potential in cognitive, physical and mental rehabilitation. This paper is to discuss user viewpoints of trials with mobile games combining cognitive stimulation and physical exercise in rehabilitation: Game#1 controlled by tilting the mobile phone embedded in a balance board; Game#2 controlled by tilting the tablet pc; and Game#3 a modified game version of Trail Making A -memory test played by tapping figures on the tablet pc touch screen. The total amount of participants was 89 of which 74% were older adults (women=24; men=33; average age 85.9 years) and 26% people with learning disabilities (n=23; a 38.9 years). The gameplay setting was similar for all target groups, although the game graphics (Game#1) were slightly modified based on each user group. Mobile devices were used as the game platform to create easily approachable games of low costs and suitable for the majority of people.

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27

Holden, Stein T., and Mesfin Tilahun. "Mobile phones, leadership and gender in rural business groups." World Development Perspectives 24 (December 2021): 100370. http://dx.doi.org/10.1016/j.wdp.2021.100370.

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Modave, François, Yi Guo, Jiang Bian, Matthew J. Gurka, Alice Parish, Megan D. Smith, Alexandra M. Lee, and Thomas W. Buford. "Mobile Device Accuracy for Step Counting Across Age Groups." JMIR mHealth and uHealth 5, no. 6 (June 28, 2017): e88. http://dx.doi.org/10.2196/mhealth.7870.

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Кожуханов, Николай Михайлович, and Ирина Сергеевна Шорохова. "Detection of crimes by mobile groups of customs authorities." Расследование преступлений: проблемы и пути их решения, no. 2(36) (July 4, 2022): 66–71. http://dx.doi.org/10.54217/2411-1627.2022.36.2.008.

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В статье проведен анализ отдельных вопросов выявления преступлений мобильными группами таможенных органов, которые реализуют свои функции в рамках посттаможенного контроля. Возбуждаемые уголовные дела по преступлениям, выявленным на этапе посттаможенного контроля мобильными группами таможенных органов, разделены на две группы. В сложившейся геополитической обстановке особую актуальность приобретает возможность организации работы мобильных групп таможенных органов в направлении реализации запретов и ограничений, в рамках которого представляется целесообразным внесение ряда поправок в уголовное законодательство Российской Федерации. Проведенное исследование позволило обозначить проблему действующего уголовного законодательства Российской Федерации, которая заключается в отсутствии в Уголовном кодексе Российской Федерации норм, регламентирующих уголовную ответственность за неисполнение контрсанкций. Методология исследования обусловлена использованием таких методов исследования, как статистический (при обосновании актуальности исследования), метод анализа (при исследовании нормативной правовой базы) и системно-структурный (при решении обозначенной проблемы предложением о внесении изменений в уголовный закон). The article analyzes certain issues of detecting crimes by mobile groups of customs authorities that implement their functions within the framework of post-customs control. The authors divide the initiated criminal cases on crimes identified at the stage of post-customs control by mobile groups of customs authorities into two groups. In the current geopolitical situation, the possibility of organizing the work of mobile groups of customs authorities in the direction of implementing prohibitions and restrictions, within which it seems appropriate to introduce a number of amendments to the criminal legislation of the Russian Federation, is of particular relevance. The research made it possible to identify the problem of the current criminal legislation of the Russian Federation, which consists in the absence in the Criminal Code of the Russian Federation of norms regulating criminal liability for failure to comply with counter-sanctions. The methodology of the study is determined by the use of such research methods as statistical (when justifying the relevance of the study), the method of analysis (when investigating the regulatory legal framework) and system-structural (when solving the designated problem with a proposal to amend the criminal law).

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Lin, Z., M. Broucke, and B. Francis. "Local Control Strategies for Groups of Mobile Autonomous Agents." IEEE Transactions on Automatic Control 49, no. 4 (April 2004): 622–29. http://dx.doi.org/10.1109/tac.2004.825639.

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Berdahl, Andrew, Colin J. Torney, Christos C. Ioannou, Jolyon J. Faria, and Iain D. Couzin. "Emergent Sensing of Complex Environments by Mobile Animal Groups." Science 339, no. 6119 (January 31, 2013): 574–76. http://dx.doi.org/10.1126/science.1225883.

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The capacity for groups to exhibit collective intelligence is an often-cited advantage of group living. Previous studies have shown that social organisms frequently benefit from pooling imperfect individual estimates. However, in principle, collective intelligence may also emerge from interactions between individuals, rather than from the enhancement of personal estimates. Here, we reveal that this emergent problem solving is the predominant mechanism by which a mobile animal group responds to complex environmental gradients. Robust collective sensing arises at the group level from individuals modulating their speed in response to local, scalar, measurements of light and through social interaction with others. This distributed sensing requires only rudimentary cognition and thus could be widespread across biological taxa, in addition to being appropriate and cost-effective for robotic agents.

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32

Li, Xiaoli, and Yugeng Xi. "Distributed connected coverage control for groups of mobile agents." International Journal of Control 83, no. 7 (July 2010): 1347–63. http://dx.doi.org/10.1080/00207171003736279.

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33

Muliukha, Vladimir, Alexander Ilyashenko, and Leonid Laboshin. "Network-centric Supervisory Control System for Mobile Robotic Groups." Procedia Computer Science 103 (2017): 505–10. http://dx.doi.org/10.1016/j.procs.2017.01.036.

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34

Holotescu, Carmen, Vladimir Creţu, and Gabriela Grosseck. "Microblogging Architecture and Scenarios for Learning in Mobile Groups." Procedia - Social and Behavioral Sciences 143 (August 2014): 1158–63. http://dx.doi.org/10.1016/j.sbspro.2014.07.571.

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35

Yeni, Harun. "The Utilization of Mobile Groups in the Ottoman Balkans." Archiv orientální 81, no. 2 (September 12, 2013): 183–205. http://dx.doi.org/10.47979/aror.j.81.2.183-205.

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This article deals with the utilization of mobile groups called ‘yörüks’ as an auxiliary force in 16th century Ottoman Balkans. Their organization and structure together with the changes in time are analysed through the regulations specifically issued for them. Following it, the perception that all of these groups in the Ottoman Balkans were of military nature is assessed. The validity of it is checked by means of registers for militarily associated yörüks and cadastral surveys of the regions where a significant number of them resided. Besides, the reliability of the data in yörük registers is questioned. Through the examination of regulations on yörüks, their registers together with cadastral surveys, it is exhibited that these groups were not all of military nature; on the contrary, the rates of militarily associated groups were at a low level.

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Radin, Jasmina. "Mobile Assisted Language Learning: Advantages and Use among Different Age Groups." Scientific Bulletin of the Politehnica University of Timişoara Transactions on Modern Languages 16 (April 2, 2020): 79–92. http://dx.doi.org/10.59168/zpay1430.

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Mobile assisted language learning (MALL) facilitates situated, authentic, context aware, contingent and personalized learning. These and more advantages supported by teaching methodology theories are explained and related to suggestions for practical uses of MALL among different age groups (young learners, teenagers and students, and digital immigrants). Criteria for selection of appropriate mobile technologies are also suggested.

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Peng, Rui, Ming Ronnier Luo, Mingkai Cao, Yuechen Zhu, Xiaoxuan Liu, and Guoxiang Liu. "Preferred skin reproduction centres for different skin groups." Color and Imaging Conference 2020, no. 28 (November 4, 2020): 109–13. http://dx.doi.org/10.2352/issn.2169-2629.2020.28.16.

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Producing preferred skin colours is vital for the digital images on mobile phone manufacturers. Previous studies investigated the skin colours only in chromatic plane excluding lightness. A psychophysical experiment was conducted to determine preferred skin colour centres for different skin colour types on mobile displays in a darkened room. Ten facial images were selected for the experiment to cover different skin colour types (Caucasian, Oriental, South Asian and African). A set of 49 predetermined colour centres uniformly sampled within the skin colour ellipsoid in CIELAB colour space was used to morph skin colours of test images. Thirty observers from each of the 3 ethnic groups (Caucasian, Oriental and South Asian) participated in the experiment. The preferred skin colour centre and region in the form of ellipsoid for each skin group were reported. It was found that the preferred colour centres from different skin colour types were very similar except their lightness as expected, and were also quite similar between the observers from different ethnic groups.

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Kang, Sukin, Cheongmin Ji, and Manpyo Hong. "Secure Collaborative Key Management for Dynamic Groups in Mobile Networks." Journal of Applied Mathematics 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/601625.

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Mobile networks are composed of heterogeneous mobile devices with peer-to-peer wireless communication. Their dynamic and self-organizing natures pose security challenge. We consider secure group key management for peer dynamic groups in mobile wireless networks. Many group based applications have achieved remarkable growth along with increasing use of multicast based services. The key sharing among the group members is an important issue for secure group communication because the communication for many participants implies that the likelihood of illegal overhearing increases. We propose a group key sharing scheme and efficient rekeying methods for frequent membership changes from network dynamics. The proposed method enables the group members to simply establish a group key and provide high flexibility for dynamic group changes such as member join or leave and group merging or partition. We conduct mathematical evaluation with other group key management protocols and finally prove its security by demonstrating group key secrecy, backward and forward secrecy, key independence, and implicit key authentication under the decisional Diffie-Hellman (DDH) assumption.

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Sergiyenko, Oleg Yurievich, and Alexey Nilovich Zhirabok. "Fault Identification in Mobile Robot groups using Sliding Mode Observers." Proceedings of the Institute for System Programming of the RAS 33, no. 1 (2021): 137–50. http://dx.doi.org/10.15514/ispras-2021-33(1)-10.

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The paper studies the emerging trends in advanced computing and information technology for efficient solutions of fault identification problem for mobile robot groups under the unmatched disturbances. The sliding mode observers are considered for mentioned problem solution. It facilitates the concept of Smart everything inside the considered robotic group during its generalized control: smart surrounding sensing, communication, processing, and scanned data storing. The suggested novel approach to sliding mode observer design is based on obtaining the reduced order model of the initial system. This allows reduce the complexity of sliding mode observer and relax restrictions imposed on the initial system.

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Palacios-Gálvez, Mª Soledad, Montserrat Andrés-Villas, Mercedes Vélez-Toral, and Ángeles Merino-Godoy. "Nominal Groups to Develop a Mobile Application on Healthy Habits." Healthcare 9, no. 4 (March 30, 2021): 378. http://dx.doi.org/10.3390/healthcare9040378.

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The new pandemic-lockdown situation has caused empowerment of new technologies; mobile phones and computers have gained further importance. Homes have become the new educators of health since health education has decreased or stopped during the pandemic. The lack of knowledge in the child and adolescent population about how to incorporate healthy habits in their daily lives, along with the rise of health devices and the introduction of healthcare in the syllabus, has led to the realization of the present study. The aim of this study was to identify the relevant health topics in a sample of adolescents for the later development of a mobile application (Healthy Jeart) that promotes the adoption of healthy lifestyle habits in adolescence. The information was gathered through the technique of nominal groups. The sample was recruited by nonprobability purposive sampling, with a total of 92 students from 4 educational centers of the province of Huelva (Spain). According to the obtained results, the most relevant categories were physical wellbeing (40.81%), psychological wellbeing (22.13%), interpersonal relationships and social skills (21.58%), toxic substances and addictions (10.35%) and sex habits (1.83%). This technique allowed identifying and selecting the most relevant content areas of the “Healthy Jeart” application.

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Aezladen, Mhameed, Reuven Cohen, and Danny Raz. "Efficient Location-Based Decision-Supporting Content Distribution to Mobile Groups." IEEE/ACM Transactions on Networking 20, no. 5 (October 2012): 1514–26. http://dx.doi.org/10.1109/tnet.2011.2182057.

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Pinelle, David, and Carl Gutwin. "Designing for loose coupling in mobile groups[9] (abstract only)." ACM SIGGROUP Bulletin 24, no. 1 (April 2003): 7. http://dx.doi.org/10.1145/1027232.1027246.

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van der Wel, Casper, Guido L. van de Stolpe, Ruben W. Verweij, and Daniela J. Kraft. "Micrometer-sized TPM emulsion droplets with surface-mobile binding groups." Journal of Physics: Condensed Matter 30, no. 9 (February 14, 2018): 094005. http://dx.doi.org/10.1088/1361-648x/aaab22.

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Sergiyenko, O., and A. Zhirabok. "Fault Identification in Mobile Robot Groups Using Sliding Mode Observers." Programming and Computer Software 46, no. 8 (December 2020): 679–88. http://dx.doi.org/10.1134/s0361768820080216.

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Olofsgård, Anders. "Incentives for secession in the presence of mobile ethnic groups." Journal of Public Economics 87, no. 9-10 (September 2003): 2105–28. http://dx.doi.org/10.1016/s0047-2727(02)00019-1.

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Savkin, Andrey V., Chao Wang, Ahmad Baranzadeh, Zhiyu Xi, and Hung T. Nguyen. "Distributed formation building algorithms for groups of wheeled mobile robots." Robotics and Autonomous Systems 75 (January 2016): 463–74. http://dx.doi.org/10.1016/j.robot.2015.08.006.

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Renner, Swen C., Marcela Suarez-Rubio, Sonja Kaiser, Jens Nieschulze, Elisabeth K. V. Kalko, Marco Tschapka, and Kirsten Jung. "Divergent response to forest structure of two mobile vertebrate groups." Forest Ecology and Management 415-416 (May 2018): 129–38. http://dx.doi.org/10.1016/j.foreco.2018.02.028.

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Nelyubin, A. P., and S. Yu Misyurin. "Multicriteria adaptation principle on example of groups of mobile robots." Journal of Physics: Conference Series 937 (December 2017): 012034. http://dx.doi.org/10.1088/1742-6596/937/1/012034.

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Yu, Joon-Ho, and Eric Juengst. "Do Groups Have Moral Standing in Unregulated mHealth Research?" Journal of Law, Medicine & Ethics 48, S1 (2020): 122–28. http://dx.doi.org/10.1177/1073110520917037.

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Biomedical research using data from participants’ mobile devices borrows heavily from the ethos of the “citizen science” movement, by delegating data collection and transmission to its volunteer subjects. This engagement gives volunteers the opportunity to feel like partners in the research and retain a reassuring sense of control over their participation. These virtues, in turn, give both grass-roots citizen science initiatives and institutionally sponsored mHealth studies appealing features to flag in recruiting participants from the public. But while grass-roots citizen science projects are often community-based, mHealth research ultimately depends on the individuals who own and use mobile devices. This inflects the ethos of mHealth research towards a celebration of individual autonomy and empowerment, at the expense of its implications for the communities or groups to which its individual participants belong. But the prospects of group harms — and benefits — from mHealth research are as vivid as they are in other forms of data-intensive “precision health” research, and will be important to consider in the design of any studies using this approach.

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Portus, Lourdes. "Connecting Indigenous Peoples: Mobile Phone Experiences of Three Indigenous Peoples Groups in the Philippines." Plaridel 4, no. 2 (August 1, 2007): 47–74. http://dx.doi.org/10.52518/2007.4.2-03prts.

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The indigenous peoples (IPs) of the Philippines, numbering between 4.5 million to 10 million, live in mostly remote rural areas, and are generally regarded as marginalized owing to their geographic, economic, social, and political location. Their situation notwithstanding, this study shows that selected groups of IPs – the Sama-Tausugs, Aytas, and Dumagats – are no strangers to information and communication technologies, particularly the mobile phone. Their perceptions of the mobile phones are shaped by their present life world. But despite limited financial resources, low literacy level, and poor signal in their respective areas, the IPs have devised ways of acquiring and using the mobile phone to keep them connected to each other and to the “lowlanders.” For the IPs of this study, mobile phone ownership and use have provided them access to and acceptance in the mainstream society.

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