Global ETD Search
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 40 for “"Quiver"”.
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When Suddenly the Limb Did Quiver
… my thesis exhibition When Suddenly the Limb Did Quiver, where the gallery serves as a creative space that enables some potential manifestations of this artistic practice to emerge.
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Species distribution modelling of Aloidendron dichotomum (quiver tree)
A variety of species distribution models (SDMs) were fit to data collected by a 15,000km road-side visual survey of Aloidendron dichotomum populations in the Northern Cape region of South Africa, and Namibia. We fit traditional presence/absence SDMs as well as SDMs on how proportions are …
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Metric Geometry of Quiver Flag Varieties and Balanced Embeddings
A projective manifold is called balanced if the integral of the moment map over its image in the projective embedding is a scalar multiple of the identity matrix. A hermitian metric on a line bundle is balanced if its Bergman kernel is identically constant. We study the relationship between …
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Infinite Gabriel-Roiter measures for the 3-Kronecker quiver
… representations of the 3-Kronecker quiver to construct uncountably many infinite Gabriel-Roiter measures. Our aim is to classify all piling submodules of an indecomposable regular module. We will show that they are either unique of a certain length or there is a one-parameter family …
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Quantized multiplicative quiver varieties and actions of higher genus braid groups
… of algebras called quantized multiplicative quiver varieties A (Q), is constructed, depending upon a quiver Q, its dimension vector d, and a certain "moment map" parameter . The algebras Ad(Q) are obtained via quantum Hamiltonian reduction of another algebra D,(Matd(Q)) relative to a quantum …
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Geometry Of Quivers
<p>A quiver is a directed graph, but the term usually implies such a graph is being considered along with representations. These representations consist of vector spaces and linear transformations. We explore some the connections between quivers and geometric structures. To begin, we consider a …
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Visually querying object-oriented databases
… ODMG-compliant object-oriented databases, called QUIVER. QUIVER has a comprehensive expressive power; apart from supporting data types such as sets, bags, arrays, lists, tuples, objects and relationships, it supports aggregate functions, methods and sub-queries. The language is also consistent, as …
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Cluster Algebras and Maximal Green Sequences for Closed Surfaces
… triangulation of this surface which yields a quiver. Then in the sense of work by Keller we will produce a maximal green sequence for this quiver. Since all finite mutation type cluster algebras can be associated to a surface, with some rare exceptions, this work along with previous work by …
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Much ado about nothing: The superconformal index and Hilbert series of three dimensional N =4 vacua
… natural class of hyperKähler cones are Nakajima quiver varieties. We compute the index of the $A$-type quiver varieties by making use of the fact that they are submanifolds of instanton moduli space invariant under an isometry. Every Nakajima quiver variety arises as the Higgs branch of a three …
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Auslander-Reiten theory in functorially finite resolving subcategories
Abstract We analyze the Auslander-Reiten quiver
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On motivic Donaldson-Thomas invariants on the local projective plane
… motivic DT invariants associated to the stack of quiver representations, for a quiver related to ωP2 .
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Hochschild homology / cohomology of preprojective algebras of ADET quivers
Preprojective algebras [Pi]q of quivers Q were introduced by Gelfand and Ponomarev in 1979 in order to provide a model for quiver representations (in the special case of finite Dynkin quivers). They showed that in the Dynkin case, the preprojective algebra decomposes as the direct sum of all …
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Branes, graphs and singularities
… matter content and superpotential of various quiver gauge theories that arise as low-energy effective theories for D-branes probing singular non-compact Calabi-Yau spaces with toric symmetries. Brane tilings also offer a generalization of the AdS/CFT correspondence. A technique is developed …
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K-theoretic Hall algebras for quivers with potential
Given a quiver with potential (Q, W), Kontsevich-Soibelman constructed a Hall algebra on the cohomology of the stack of representations of (Q, W). As shown by Davison-Meinhardt, this algebra comes with a filtration whose associated graded algebra is supercommutative. A special case of this …
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Supersymmetric gauge theories from D3-branes on singularities
… by examining the duality cascade phenomenon for quiver gauge theories. We give a general formulation for these cascades and use it to identify an example of a duality wall in a theory which can be realized on D3-branes at the apex of the complex cone over the zeroth Hirzebruch surface with the …
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Duality and dynamics of supersymmetric field theories from D-branes on singularities
… construct an infinite family of superconformal quiver gauge theories which are AdS/CFT dual to Sasaki-Einstein horizons with explicit metrics. The gauge theory and geometric computations of R-charges and central charges are shown to agree. We introduce new Type IIB brane constructions denoted …
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On semi-invariants of filtered representations of quivers and the cotangent bundle of the enhanced Grothendieck-Springer resolution
… the notion of filtered representations of quivers, which is related to usual quiver representations, but is a systematic generalization of conjugacy classes of $n\times n$ matrices to (block) upper triangular matrices up to conjugation by invertible (block) upper triangular matrices. With …
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Geometry and representation theory of symplectic singularities in the context of symplectic duality
… multiplication operators for type A Nakajima quiver varieties by examining Bethe subalgebras in Yangians and linking their spectrum with Kirillov-Reshetikhin crystals.
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Equivariant quantum cohomology and the geometric Satake equivalence
… are expected to be symplectic duals of Nakajima quiver varieties, and thus our result is an analogue of (part of) the work of Maulik and Okounkov in the symplectic dual setting.
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