Dissertations / Theses on the topic 'Theory'
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Wong, Chin Pin. "Kato's Perturbation Theorem and honesty theory." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:c72c308b-d96d-4e31-a854-f2a10e99eeb6.
Full textGomaa, Walid. "Model theory and complexity theory." College Park, Md. : University of Maryland, 2007. http://hdl.handle.net/1903/7227.
Full textThesis research directed by: Computer Science. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Takeda, Yuichiro. "Localization theorem in equivariant algebraic K-theory." 京都大学 (Kyoto University), 1997. http://hdl.handle.net/2433/202419.
Full textAdams, Damien. "Galois theory and the Hilbert Irreducibility Theorem." Thesis, San Jose State University, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=1541481.
Full textWe study abstract algebra and Hilbert's Irreducibility Theorem. We give an exposition of Galois theory and Hilbert's Irreducibility Theorem: given any irreducible polynomial f(t1, t 2, …, tn, x) over the rational numbers, there are an infinite number of rational n-tuples (a 1, a2, …, an) such that f(a1, a2, …, an, x) is irreducible over the rational numbers.
We take a preliminary look at linear algebra, symmetric groups, extension fields, splitting fields, and the Chinese Remainder Theorem. We follow this by studying normal extension fields and Galois theory, proving the fundamental theorem and some immediate consequences. We expand on Galois theory by exploring subnormal series of subgroups and define solvability with group property P, ultimately proving Galois' Theorem. Beyond this, we study symmetric functions and large extension fields with Galois group Sn.
We detour into complex analysis, proving a few of Cauchy's theorems, the identity theorem, which is a key to proving Hilbert's Irreducibility Theorem, and meromorphic functions. We study affine plane curves, regular values, and the Density Lemma—which bounds the rational outputs a non-rational meromorphic function has for rational inputs. Ultimately, we prove the Hilbert Irreducibility Theorem and apply it to symmetric functions to construct fields whose Galois group is Sn.
Mellquist, Ebba. "Galois Theory and the Artin-Schreier Theorem." Thesis, Uppsala universitet, Algebra och geometri, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-414097.
Full textSmith, Stephen D. "Theory against itself : literary theory and the limits of theory." Thesis, University of Nottingham, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334294.
Full textAli, T. "String theory and conformal field theory." Thesis, University of Cambridge, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.595446.
Full textLevikov, Filipp. "L-theory, K-theory and involutions." Thesis, University of Aberdeen, 2013. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=201918.
Full textPalmer, Sam. "Higher gauge theory and M-theory." Thesis, Heriot-Watt University, 2014. http://hdl.handle.net/10399/3054.
Full textVedrashko, Alexander William. "The Alchian and Allen theorem: theory and evidence." Thesis, Montana State University, 1998. http://etd.lib.montana.edu/etd/1998/vedrashko/VedrashkoA1998.pdf.
Full textBuchanan, Dan Matthews. "Analytic Number Theory and the Prime Number Theorem." Youngstown State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1525451327211365.
Full textSorokin, Yegor. "Probability theory, fourier transform and central limit theorem." Manhattan, Kan. : Kansas State University, 2009. http://hdl.handle.net/2097/1604.
Full textPatrascu, A. T. "The universal coefficient theorem and quantum field theory." Thesis, University College London (University of London), 2016. http://discovery.ucl.ac.uk/1476590/.
Full textWalters, Mark Jon. "Ramsey theory, discrepancy theory and related areas." Thesis, University of Cambridge, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.621647.
Full textStefański, Bogdan. "String theory, dirichlet branes and K-theory." Thesis, University of Cambridge, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.621023.
Full textSacco, Damiano. "Aspects of F-Theory and M-Theory." Thesis, King's College London (University of London), 2017. https://kclpure.kcl.ac.uk/portal/en/theses/aspects-of-ftheory-and-mtheory(b5d27efa-8fc4-47a4-b259-a7b8dd9c218f).html.
Full textWinterhalter, Théo. "Formalisation and Meta-Theory of Type Theory." Thesis, Nantes, 2020. http://www.theses.fr/2020NANT4012.
Full textIn this thesis, I talk about the metatheory of type theory and about how to formalise it in a proof assistant. I first focus on a conservative translation between extensional type theory and either intensional or weak type theory, entierely written in Coq. The first translation consists in a removal of the reflection of equality rule, whereas the second translation produces something stronger: weak type theory is a type theory with no notion of conversion. The conservativity result implies that conversion doesn’t increase the logical power of type theories. Then, I show my work for the Meta- Coq project of formalising and specifying Coq within Coq. In particular I worked on writing a type-checker for Coq, in Coq. This type checker is proven sound with respect to the specification and can be extracted to OCaml code and run independently of Coq’s kernel type-checker. For this to work we have to rely on the meta-theory of Coq which we develop, in part, in the MetaCoq project. However, because of Gödel’s incompleteness theorems, we cannot prove consistency of Coq within Coq, and this means that some properties— mainly strong normalisation—have to be assumed, i.e. taken as axioms
Leclerc, Philip. "Prospect Theory Preferences in Noncooperative Game Theory." VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/3522.
Full textBerg, Deborah. "Connections Between Voting Theory and Graph Theory." Scholarship @ Claremont, 2005. https://scholarship.claremont.edu/hmc_theses/178.
Full textBastianello, Lorenzo <1988>. "Essays on decision theory and bargaining theory." Doctoral thesis, Università Ca' Foscari Venezia, 2016. http://hdl.handle.net/10579/9391.
Full textBraun, Volker Friedrich. "K-theory and exceptional holonomy in string theory." Doctoral thesis, [S.l.] : [s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=965401650.
Full textAkdenizli, Dilek. "Critical Theory, Deliberative Democracy And International Relations Theory." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606881/index.pdf.
Full texthowever, the main subject matter of an IR theory should be the change itself. The idea of change is also constitutive of Habermasian political thought. Jü
rgen Habermas, as a critical theorist, has developed the model of Deliberative Democracy to provoke a change in the political life of the Western countries towards a more ethical politics. According to Habermas, such a change will eliminate the legitimacy crisis occurred in Western democracies. Therefore, Habermas aims at strengthening the moral basis of democratic understanding in order to make masses participate actively in decision making processes. According to him, rational consensus must be at the centre of democracy, and it can be reached, only if every part of the deliberation has the opportunity to express their arguments equally. Once the idea of rational consensus becomes a regulative rule of democracy, it is possible to change the nature of politics, including international politics
Halter, Sebastian. "Inflation from field theory and string theory perspectives." Diss., Ludwig-Maximilians-Universität München, 2012. http://nbn-resolving.de/urn:nbn:de:bvb:19-156269.
Full textAcharya, Bobby Samir. "Joyce compactifications of string theory and M theory." Thesis, Queen Mary, University of London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299930.
Full textBedford, James Andrew Peter. "On perturbative field theory and twistor string theory." Thesis, Queen Mary, University of London, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.479158.
Full textFritz, Jan-Stefan. "Regime theory : a new theory of international institutions." Thesis, London School of Economics and Political Science (University of London), 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.392682.
Full textKnoll, Meredith Sharyn. "Rethinking the #theory' in theory of mind development." Thesis, University College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.272550.
Full textLake, Matthew James. "Cosmic necklaces in string theory and field theory." Thesis, Queen Mary, University of London, 2010. http://qmro.qmul.ac.uk/xmlui/handle/123456789/523.
Full textLetzter, Shoham. "Extremal graph theory with emphasis on Ramsey theory." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709415.
Full textFeng, Bo 1971. "D-branes, gauge theory and string field theory." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/8491.
Full textIncludes bibliographical references (p. 245-262).
In this thesis, we present several works done in last three years. They include three directions in the string theory. In the first direction, we use the brane setup to find mirror pairs of SO(n) and Sp(k) gauge groups for N = 4 three-dimensional gauge field theories. To reach this result, we analyze carefully the s-configuration and predict a nontrivial string dynamics, i.e., the splitting of branes on the orientifold planes. In the second direction, we develop the "inverse algorithm" and use it to get nontrivial world volume theories of D-branes probing more exotic singularities. In this process, we find the "toric duality" which relates different phases of D-brane probe theories. We realize later that the toric duality is an example of the more powerful Seiberg-duality so these different phases are related by the Seiberg duality. In the third direction, by using numerical calculation we get a strong evidence to support the second conjecture of Sen's three conjectures. We show that if the identity field is BRST exact state around the tachyon vacuum, the open string spectrum will decouple from the physics and leave only the closed string spectrum.
by Bo Feng.
Ph.D.
Hamza, Taher Tawfik Ahmed. "Normalisation techniques in proof theory and category theory." Thesis, University of St Andrews, 1986. http://hdl.handle.net/10023/13371.
Full textMohamed, Adam. "Local Class Field Theory via Lubin-Tate Theory /." Thesis, Link to the online version, 2008. http://hdl.handle.net/10019/1936.
Full textBulinski, Kamil. "Interactions between Ergodic Theory and Combinatorial Number Theory." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/17733.
Full textCorson, Samuel M. "Applications of Descriptive Set Theory in Homotopy Theory." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2401.
Full textKarch, Andreas. "Field Theory Dynamics from branes in String Theory." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 1998. http://dx.doi.org/10.18452/14371.
Full textIn this thesis I discussed several applications of the connection of non-perturbative string theory and SYM theory. In Chapter 1 I reviewed the physics of D-branes as one example of a non-perturbative effect in string theory. Their dynamics is dominated by gauge theory. This fact can be used to engineer certain string backgrounds which yield interacting SYM theories as their low-energy description. In Chapter 2 I then introduced one of the approaches in detail, the HW setup. I gave a summary of the identification of the classical gauge theory, showed how quantum effects manifest themselves in the brane picture and how to solve them. This way of embedding gauge theories into string theories has several interesting applications. These were the topic of Chapter 3. First I discussed dualities in field theory and showed how they arise as a natural consequence of string duality. As a second application I used branes to prove the existence of non-trivial fixed point theories in 6 dimensions and to study their properties. Some of these fixed points describe phase transitions between two different brane configurations. From a 4d point of view these 6d transitions can induce a chiral non-chiral transition. In Chapter 4 I discussed the relation of the HW setup with the other approaches of embedding gauge theory into string theory, especially the branes as probes approach. The different ways of embedding gauge theories in string theory are shown to be actually T-dual as string backgrounds. For one this allowed us to explore several new aspects of T-duality, like T-duality for bended branes and branes endin g on branes. In addition this relation can be used to show that the transitions found in the brane picture can as well be understood as transitions between topologically distinct compactifications of string theory. Some open problems and directions for further research were mentioned in Chapter 5.
Apedaile, Thomas J. "Computational Topics in Lie Theory and Representation Theory." DigitalCommons@USU, 2014. https://digitalcommons.usu.edu/etd/2156.
Full textFoote, Richard D. L. "On KK-Theory and a Theorem in Stable Uniqueness." Thesis, University of Louisiana at Lafayette, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10163279.
Full textStarting in the 1970s, Elliot’s classification of AF -algebras and Brown-Douglas-Fillmore’s classification of essentially normal operators created an explosion in the use of topological methods in the study of C * -algebras. Kasparov’s introduction of KK-theory introduced more advanced machinery. This led to better existence and uniqueness theorems with applications in the classification program. In this thesis, I present such a uniqueness theorem with a proof as presented by Eilers-Dadarlat.
Pilota, Evdoxia. "Extreme value thepory forvalue at risk estimation : Theory and empirical application." Thesis, University of Essex, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.499763.
Full textHaiden, Martin. "Theta theory." Berlin [u.a.] Mouton de Gruyter, 2005. http://www.loc.gov/catdir/toc/ecip0511/2005011293.html.
Full textNaik, A. D. "Absolute-theory." Thesis, University of Aberdeen, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379788.
Full textMuthoo, Abhinay. "Bargaining theory." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.257214.
Full textSelin, Philip. "Auction Theory." Thesis, Uppsala universitet, Tillämpad matematik och statistik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-296539.
Full textLanier, Joshua. "Consumer theory." Thesis, University of Oxford, 2018. http://ora.ox.ac.uk/objects/uuid:8ab695ff-000e-4135-a893-83d00f5a2820.
Full textAn, Filip. "Auction Theory." Thesis, Uppsala universitet, Tillämpad matematik och statistik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-359719.
Full textМельник, Ю. "Coding theory." Thesis, Видавництво СумДУ, 2006. http://essuir.sumdu.edu.ua/handle/123456789/21790.
Full textДядечко, Алла Миколаївна, Алла Николаевна Дядечко, Alla Mykolaivna Diadechko, and N. A. Dedik. "String theory." Thesis, Видавництво СумДУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/17875.
Full textNovak, K. "Game theory." Thesis, Sumy State University, 2016. http://essuir.sumdu.edu.ua/handle/123456789/46882.
Full textDieterly, Andrea K. "Set Theory." Bowling Green State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1304689030.
Full textBaird, Rachel A. "String Theory." Cleveland State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=csu1273803256.
Full textFrere, Scot M. (Scot Martin). "Dimension Theory." Thesis, North Texas State University, 1986. https://digital.library.unt.edu/ark:/67531/metadc500690/.
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