Dissertations / Theses on the topic 'Varieteet'
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LEROY, SANDRINE. "Varietes d'albanese superieures complexes d'une variete kahlerienne compacte." Nancy 1, 1999. http://www.theses.fr/1999NAN10032.
Full textNakamoto, Kazunori. "Representation varieties and character varieties." 京都大学 (Kyoto University), 2000. http://hdl.handle.net/2433/151648.
Full textHeckenberger, Martin. "Identification of essentially derived varieties in maize (Zea mays L.) using molecular markers, morphological traits, and heterosis." [S.l. : s.n.], 2004. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB11514040.
Full textGiné, Vázquez Iago. "Albanese varieties of non-Archimedean uniformized varieties." Doctoral thesis, Universitat Autònoma de Barcelona, 2017. http://hdl.handle.net/10803/405530.
Full textIn this PhD thesis, we give a conjectural construction of the Albanese variety of a non-Archimedean uniformized variety by means of looking at a metrical structure contained in the last one and called its skeleton (which is, essentially, a tropical curve). In order to do that we make a parallel (real, tropical) construction on the skeleton, which becomes the skeleton of the conjectural Albanese we were seeking for, we rise this to an analytic construction over the given variety and we use that its skeleton is the quotient of a certain locally finite subbuilding of a Bruhat-Tits building, which appears also as the skeleton of the uniformizing variety. Later, we relate the harmonic cochains on the buildings with the harmonic measures on the ends as a key step in the proof that one gets the Albanese variety. The thesis has two main parts. One is devoted to describe with complete generality this construction in dimension 1, while in the second we study the structure of the Bruhat-Tits building and we make a construction that we expect it is the Albanese variety, under the assumption that the ground field has a discrete valuation. We start by study the Jacobian of a graph, in the chapter 1 without more structure, in the chapter 2 a metric graph. Our work, together with others, shows that our description of the Jacobian of a metric graph in terms of integration on the ends of the universal covering metric tree extends in some way the (discrete) Jacobian of a graph without metric structure. Here we introduce harmonic cochains on the trees and harmonic measures on the ends, and we prove that they are isomorphic, as an important step to the main result. In the chapter 3 we develope the theory of Mumford curves and their Jacobians in the setting of Berkovich geometry, we relate them with their skeletons by means of the retraction map and we introduce the multiplicative integrals. Then, we extend to our general hypotheses several known results about them in particular cases (like for a local ground field) with those new tools, and we use the results on the Jacobian of a metric graph applied to the corresponding skeleton to get that the construction we do with multiplicative integrals and harmonic measures is an abelian variety. After that, we prove that it is the Jacobian by means of the theory of theta functions, developed from the new perspective of Berkovich geometry using tropical functions. In the chapter 4 we adapt this construction to higher dimension, giving a natural candidate to be the Albanese variety of a non-Archimedean uniformized variety as it was built by Mustafin as a generalization of Mumford curves. In order to do it, we extend the notion of Schottky group to any dimension following the work of Mustafin, and we study deeply the structure of the Bruhat-Tits buildings over a complete field with a discrete valuation. Then, we restrict to dimension 2 to define the harmonic cochains over certain chamber subcomplexes, and we prove that they are isomorphic to the harmonic measures over a certain compact set of the rational points of the corresponding projective space when the associated subcomplex is a building. Finally we use it to start to prove that the construction we do is an analytic torus.
Yafaev, Andrei. "Sous-varietes des varietes de shimura." Rennes 1, 2000. http://www.theses.fr/2000REN10151.
Full textQureshi, Muhammad Imran. "Families of polarised varieties in weighted flag varieties." Thesis, University of Oxford, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.555300.
Full textKolhatkar, Ratnadha. "Grassmann varieties." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=81347.
Full textWe begin with the classical Grassmannian G( d, n) and then study a special type of the Grassmannian, namely the Lagrangian Grassmannian. For a field k and a subring R ⊂ End(kn) we study the generalized Grassmann variety G(R; d, n) which is the set of all d-dimensional subspaces of kn that are preserved under R. We study the local structure of the generalized Grassmann scheme F R := G(R; d, n) and its zeta function in some particular cases. We study closely the example of a quadratic field when R is the ring of integers.
Knutson, Allen Ivar. "Weight varieties." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/38831.
Full textШвачко, Світлана Олексіївна, Светлана Алексеевна Швачко, Svitlana Oleksiivna Shvachko, and T. Vasyura. "English varieties." Thesis, Видавництво СумДУ, 2004. http://essuir.sumdu.edu.ua/handle/123456789/22927.
Full textMartin, Jeremy Leander. "Graph varieties /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2002. http://wwwlib.umi.com/cr/ucsd/fullcit?p3061650.
Full textKEDIM, IMAD. "Varietes de schubert, varietes toriques et treillis distributifs." Université Louis Pasteur (Strasbourg) (1971-2008), 2000. http://www.theses.fr/2000STR13074.
Full textHeumann, Stefan. "Varieties of Entrepreneurship." Diss., lmu, 2011. http://nbn-resolving.de/urn:nbn:de:bvb:19-139484.
Full textDionne, Christopher. "Deligne-Lusztig varieties." Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28351.
Full textDe, Sousa Rebecca M. "Varieties of Fundamentalism." unrestricted, 2006. http://etd.gsu.edu/theses/available/etd-01042007-150945/.
Full textTimothy Renick, committee member. Electronic text (116 p.) : digital, PDF file. Description based on contents viewed July 9, 2007. Includes bibliographical references (p. 111-116).
De, Sousa Rebecca M. "Varieties of Fundamentalism." Digital Archive @ GSU, 2007. http://digitalarchive.gsu.edu/rs_hontheses/5.
Full textArmon-Jones, Claire. "Varieties of affect." Thesis, University of Oxford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670309.
Full textJipsen, Peter. "Varieties of lattices." Master's thesis, University of Cape Town, 1988. http://hdl.handle.net/11427/15851.
Full textAn interesting problem in universal algebra is the connection between the internal structure of an algebra and the identities which it satisfies. The study of varieties of algebras provides some insight into this problem. Here we are concerned mainly with lattice varieties, about which a wealth of information has been obtained in the last twenty years. We begin with some preliminary results from universal algebra and lattice theory. The next chapter presents some properties of the lattice of all lattice sub-varieties. Here we also discuss the important notion of a splitting pair of varieties and give several characterisations of the associated splitting lattice. The more detailed study of lattice varieties splits naturally into the study of modular lattice varieties and non-modular lattice varieties, dealt with in the second and third chapter respectively. Among the results discussed there are Freese's theorem that the variety of all modular lattices is not generated by its finite members, and several results concerning the question which varieties cover a given variety. The fourth chapter contains a proof of Baker's finite basis theorem and some results about the join of finitely based lattice varieties. Included in the last chapter is a characterisation of the amalgamation classes of certain congruence distributive varieties and the result that there are only three lattice varieties which have the amalgamation property.
Lahoz, Vilalta Marti. "Theta-duality in abelian varieties and the bicanonical map of irregular varieties." Doctoral thesis, Universitat Politècnica de Catalunya, 2010. http://hdl.handle.net/10803/77898.
Full textEl primer objectiu d'aquesta tesi és contribuir a l'estudi de les varietats abelianes principalment polaritzades (vapp), especialment als problemes de Schottky i Torelli. Les vapp admeten una teoria de dualitat anàloga a la dualitat dels espais projectius, on el paper que juguen els hiperplans de l'espai projectiu és substituït pels divisors que representen la polarització principal. Així doncs, donada una subvarietat Y d'una vapp, podem definir el seu thetadual T(Y) com el conjunt dels divisors que representen la polarització principal i contenen aquesta subvarietat. Aquest conjunt admet una estructura esquemàtica natural (tal i com la defineixen Pareschi i Popa). Les varietats Jacobianes i de Prym són exemples clàssics de vapp construïdes a partir de corbes. A més, són interessants perquè certes propietats de les corbes involucrades es veuen reflectides en elles o en algunes subvarietats especials. Per exemple, en el cas de les Jacobianes tenim els llocs de BrillNoether Wd ( W1 correspon a la corba d'AbelJacobi) i en el cas de les Pryms tenim la corba d'AbelPrym C. Al capítol III de la tesi s'estudia l'estructura esquemàtica del thetadual dels llocs de BrillNoether Wd i de la corba d'AbelPrym. En el primer cas, es reobté amb uns altres mètodes, el resultat de Pareschi i Popa T(Wd)= Wgd1. En el cas de la corba d'AbelPrym C, s'obté que T(C)=V², onV² és el segon lloc de PrymBrillNoether amb l'estructura esquemàtica definida per Welters. Pareschi i Popa han demostrat un resultat anàleg per les vapp al Lemma de Castelnuovo pels espais projectius. És a dir, si (A,Θ) és una vapp de dimensió g, aleshores g+2 punts en posició general respecte Θ, però en posició especial respecte 2Θ, han d'estar continguts en una corba de grau minimal a A, i.e. una corba d'AbelJacobi. En particular, s'obté un resultat de Schottky ja que A ha de ser una Jacobiana i un resultat de Torelli, ja que la corba és la intersecció de tots els divisors de |2Θ| que contenen els g+2 punts. Al capítol IV, tal i com Eisenbud i Harris van fer en el cas projectiu, s'estén aquest resultat a esquemes finits possiblement no reduïts. El segon objectiu d'aquesta tesi és contribuir a l'estudi de les varietats de tipus general. Pràcticament per definició, les aplicacions pluricanòniques són essencials pel seu estudi. Un dels problemes principals de l'àrea és donar condicions geomètriques o numèriques per assegurar que la mèsima aplicació pluricanònica (per m baix) indueix una equivalència biracional amb la imatge. La classificació de les superfícies que tenen l'aplicació bicanònica no biracional ha atret l'atenció de molts geòmetres algebraics. Al capítol V, es dóna un criteri numèric suficient per assegurar la biracionalitat de l'aplicació bicanònica de les varietats irregulars de dimensió arbitrària. També es demostra que si X és una varietat primitiva, aleshores només admet fibracions molt especials a altres varietats irregulars. Per aquestes varietats s'obté que és equivalent que X sigui biracional a un divisor Θ en una vapp indescomponible, a què la irregularitat q(X) > dim X i l'aplicació bicanònica sigui no biracional. Quan X és una varietat primitiva de tipus general i q(X) = dim X es demostra sota certes condicions de la descomposició de Stein del morfisme d'Albanese, que l'única possibilitat per tal que l'aplicació bicanònica sigui no biracional és que X sigui un recobriment doble sobre una vapp ramificat al llarg d'un divisor a |2Θ|. Aquest resultats estenen a dimensió arbitrària, teoremes ben coneguts en el cas de superfícies i corbes.
Nill, Benjamin. "Gorenstein toric Fano varieties." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=976200414.
Full textViens, Caroline F. "Varieties of personal aging." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq25977.pdf.
Full textPark, Sung-Hoon. "Varieties in contest models." Laramie, Wyo. : University of Wyoming, 2005. http://proquest.umi.com/pqdweb?did=888843991&sid=2&Fmt=2&clientId=18949&RQT=309&VName=PQD.
Full textShchuplev, Alexey. "Toric varieties and residues." Doctoral thesis, Stockholm : Department of Mathematics, Stockholm University, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-6870.
Full textBasyrov, Alexander. "Intersections of Segre varieties." [Bloomington, Ind.] : Indiana University, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3274915.
Full textSource: Dissertation Abstracts International, Volume: 68-07, Section: B, page: 4518. Adviser: Sergey Pinchuk. Title from dissertation home page (viewed Apr. 21, 2008).
Mizerski, Maciej. "Singularities of Schubert varieties." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33427.
Full textLim, Kay Jin. "Varieties for Specht modules." Thesis, University of Aberdeen, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=53379.
Full textWilfong, Andrew. "TORIC VARIETIES AND COBORDISM." UKnowledge, 2013. http://uknowledge.uky.edu/math_etds/8.
Full textSlack, Roger Simon. "Varieties of sociological reflexivity." Thesis, University of Manchester, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488028.
Full textEmery, Stephen John. "Varieties of ordered bands." Thesis, University of York, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242118.
Full textHartman, Jeremy. "Varieties of clausal complementation." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/77800.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 135-141).
This thesis argues that clausal arguments of mental-state predicates divide into two main types: those that express the content, or "subject matter" of the mental state, and those that express the cause of the mental state. My central theoretical claim is that this dichotomy corresponds to a difference in syntactic structure. I propose that these different structures derive from an operation of promotion to subject position that is constrained by two factors. First, it is constrained by syntactic category: DPs, but crucially not CPs, are eligible for promotion, and I argue that clauses in subject position are in fact DPs. Second, it constrained by locality: even among DPs, only the highest DP is eligible for promotion. I explore a range of cases where this locality constraint is not met-i.e., cases of "argument intervention" in a variety of constructions. Finally, I discuss how these constraints interact to derive the realization of clausal arguments and the syntactic properties of the predicates that select them.
by Jeremy Fine Hartman.
Ph.D.
Hefez, Abramo. "Duality for projective varieties." Thesis, Massachusetts Institute of Technology, 1985. http://hdl.handle.net/1721.1/86249.
Full textGounelas, Frank. "Free curves on varieties." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:3a7f6dba-fad2-4517-994e-0b51ea311df8.
Full textMaurer, Michael, and Lucy Bradley. "Low Desert Citrus Varieties." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 1998. http://hdl.handle.net/10150/144811.
Full textWhen choosing a variety of citrus to plant in your yard consider: what you like to eat; when you want to harvest; and how cold it gets in your yard. There are many varieties of species of citrus, each with its own characteristics. This publication lists the characteristics of some of the most popular varieties of citrus.
Arbo, Matthew. "Zonotopes and Hypertoric Varieties." Thesis, University of Oregon, 2016. http://hdl.handle.net/1794/19686.
Full textEsposito, Francesco. "Orbits in symmetric varieties." Doctoral thesis, La Sapienza, 2005. http://hdl.handle.net/11573/917110.
Full textBerteletti, Ilaria A. "Varieties of Numerical Representations." Doctoral thesis, Università degli studi di Padova, 2008. http://hdl.handle.net/11577/3426392.
Full textBeckerstedt, Oscar. "Haasärämärä : En kvalitativ studie om värmländska lärare och lärarstudenters attityder och förhållningssätt till talspråkliga varieteter i undervisning." Thesis, Karlstads universitet, Institutionen för språk, litteratur och interkultur (from 2013), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-67512.
Full textSyftet med examensarbetet är att undersöka attityder och förhållningsätt till olika talspråkliga varieteter och hur de representeras i klassrummet. Arbetet tar avstamp utifrån ett sociolingvistiskt perspektiv. Metoder som används i arbetet är intervju samt observation. Metoderna används för att undersöka attityder, synen och lärarnas förhållningssätt till olika varieteter i språket samt för att skapa en bild av hur undervisningssituationer ser ut i praktiken. Resultaten i studien påvisar en övervägande positiv syn gentemot varieteter i talat språk. Studien identifierar dock tillfällen då dessa varieteter uppfattas som negativt och standardspråket framställs som det korrekta språkbruket. Ett av studien teman behandlar skillnader mellan olika generationers syn på språkbruket, vilket diskuteras och presenteras. Hypotesen att det skulle uppkomma stora skillnader visade sig få ett annat utfall. Deltagarna i studien sammanlänkar begreppen ungdomsspråk och svordomar. Vidare så framhäver de att svordomar har ökat i skolan. De poängterar dock att lågstadiet är relativt befriad från det fula språket och att en ökning sker vid övergången till mellanstadiet. Studiens resultat visar även metoder och arbetssätt som lärare använder sig av i sin undervisning vilka grundar sig i språkväxling och uppskattning av olika talspråkliga varieteter. Studien diskuterar slutligen teman av språknormativ karaktär.
Semenov, Nikita. "Motives of projective homogeneous varieties." Diss., lmu, 2007. http://nbn-resolving.de/urn:nbn:de:bvb:19-70866.
Full textParra, Rodrigo. "Lelong numbers on projective varieties." Licentiate thesis, KTH, Matematik (Inst.), 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-25285.
Full textZibrowius, Marcus. "Witt groups of complex varieties." Thesis, University of Cambridge, 2011. https://www.repository.cam.ac.uk/handle/1810/239413.
Full textRoss, Julius. "Instability of polarised algebraic varieties." Thesis, Imperial College London, 2006. http://hdl.handle.net/10044/1/1250.
Full textBergeron, Maxime Octave. "The topology of representation varieties." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/58741.
Full textScience, Faculty of
Mathematics, Department of
Graduate
Fristedt, Emma. "Irish loanwords in English varieties." Thesis, Högskolan i Halmstad, Akademin för lärande, humaniora och samhälle, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-27603.
Full textMullany, Renzo John. "Birationally rigid singular Fano varieties." Thesis, University of Liverpool, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.539743.
Full text歐偉民 and Wai-man Au. "Families of polarized abelian varieties." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B31214897.
Full textGiuzzi, Luca. "Hermitian varieties over finite fields." Thesis, University of Sussex, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326913.
Full textTurner, Simon Charles. "Differential operators on algebraic varieties." Thesis, University of Warwick, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386865.
Full textLemos, Pedro. "Residual representations of Abelian varieties." Thesis, University of Warwick, 2017. http://wrap.warwick.ac.uk/94788/.
Full textGoddard, Russell. "Commuting varieties and nilpotent orbits." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7476/.
Full textFhlathuin, Brid ni. "Mahler's measure on Abelian varieties." Thesis, University of East Anglia, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296951.
Full textSchalekamp, Hendrick. "Complex algebras, varieties and games." Master's thesis, University of Cape Town, 2003. http://hdl.handle.net/11427/4928.
Full textComplex algebras have proven very useful in presenting the modern day logician with a tool to approach a wide variety of problems in the field of algebraic logic. This dissertation is intended as an exploration of various approaches to the study of complex algebras. In particular we will take a look at the logical and semantic views of complex algebras, as well as logical games involving these algebras.