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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 54 for “"Isomorphisms"”.
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Extending partial isomorphisms
There are two main topics in the thesis. In the second chapter we study two-dimensional classes of topological similarity in the groups of automorphisms of some linearly ordered Fraisse classes: the rationals, the linearly ordered random graph and the linearly ordered Urysohn space. The main …
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Isomorphisms amongst certain classes of cyclically presented groups
In this thesis we consider isomorphisms amongst certain classes of cyclically presented groups. We give isomorphism theorems for two families of cyclically presented groups, the groups G_n(h, k, p, q,r,s, l), and the groups G^ε_n(m, k, h), which were introduced by Cavicchioli, Repovs and Spaggiari. …
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RECURSIVELY GENERATING FORMALITY QUASI-ISOMORPHISMS WITH APPLICATIONS TO DEFORMATION QUANTIZATION
Formality quasi-isomorphisms Cobar(C) -> O are a necessary component of the machinery used in deformation quantization to produce quantized algebras of observables, however they are often constructed via transcendental methods, resulting in computational difficulties and quasi-isomorphisms defined …
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Relative Springer isomorphisms and the conjugacy classes in Sylow p-subgroups of Chevalley groups
… we require the existence of \(B\)-equivariant isomorphisms of varieties \(U/M \rightarrow\) \(\char{eufm10}{0x75}\)/\(\char{eufm10}{0x6d}\), where \(M\) is a unipotent normal subgroup of \(B\) and \(\char{eufm10}{0x6d}\) = Lie\(M\). We define relative Springer isomorphisms which are certain …
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Deformation complexes of algebraic operads and their applications
… and Der'(Cobar(C)) are homotopic quasi-isomorphisms of filtered Lie algebras. We show how this result may be applied to modifying diagrams of homotopy algebras by derived automorphism. We then recall that Tamarkin's construction gives us a map from the set of Drinfeld associators to the …
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Internal factorisation systems
… system we define and study the subobjects of isomorphisms, an internalisation of the class of isomorphisms of a category. We provide an abstract example of an internal factorisation system. We then internalise various properties of factorisation systems, such as the two components determining …
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Iwasawa theory of p-adic Lie extensions
… of pseudo-null modules as well as pseudo-isomorphisms, which turn out to be essential for structure theorems of R-modules. Then a local duality theorem and the Auslander-Buchsbaum equality for R are proved. In the second, arithmetic part we show the existence of certain pseudo-isomorphisms …
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A contribution to the foundations of the theory of Quasifibration
… in the definition of n-equivalence, the isomorphisms by isomorphisms modulo a suitable Serre class [Se] of abelian groups. For the sake of having the thesis self-contained, we include a formal discussion of localization of 1-connected spaces and Serre classes of abelian groups. This …
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Finite geometries and block designs
… theorems as well as considering isomorphisms and automorphisms of block designs"--Document.</p>
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Miki Images of Quantum Toroidal Algebra Generators in the Shuffle Algebra
Through composition of isomorphisms from results by Miki and Negut, this paper seeks to simplify calculations of the images of generators of the quantum toroidal algebra. We will be working in the small shuffle algebra, which is isomorphic to the positive part of the quantum toroidal algebra. …
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New degrees of freedom in integrable models with q-Hahn weights and their applications to symmetric functions and probability.
… weights appear as matrix coefficients in certain isomorphisms between tensor products of representations of quantum affine sl₂ algebra. This allows us to find new integrable degrees of freedom in q-Hahn models by constructing an integrable vertex model on a square lattice with weights coming not …
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Subsemigroup structure of finite transformation semigroups.
… according to their idempotent structure and isomorphisms are demonstrated between these classes. Examples from the transformation semigroup on three elements are supplied throughout the paper.
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Pattern avoidance for alternating permutations and reading words of tableaux
… and recursive bijections established via isomorphisms of generating trees.
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Examining Connections among Instruction, Conceptual Metaphors, and Beliefs of Instructors and Students
… metaphors do the professors use to describe isomorphisms and homomorphisms and what relationship exists between these metaphors and the mathematical content in instruction? 4. What is the relationship between the mathematical content in instruction and conceptual metaphors the students use to …
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The Existence of Coefficient Field Composites in Commutative Algebras
… the notation A/N = [f0L,f1M] where f0, f1 are K-isomorphisms into A/N.
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Properties of the Toric Rings of a Chordal Bipartite Family of Graphs
… in the Priddy complex which correspond via known isomorphisms to Tate variables in the acyclic closure of the residue field over the localization of our rings at their homogeneous maximal ideals.</p>
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Witt groups of complex varieties
… Secondly, we show that the comparison maps are isomorphisms for smooth cellular varieties. This result applies in particular to projective homogeneous spaces. By extending known computations in topology, we obtain an additive description of the Witt groups of all projective homogeneous varieties …
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