Tensor Products And Regularity Properties Of Cuntz Semigroups
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Tensor Products and Regularity Properties of Cuntz Semigroups
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Author | : Ramon Antoine,Francesc Perera,Hannes Thiel |
Publsiher | : Unknown |
Total Pages | : 135 |
Release | : 2018 |
Genre | : C*-algebras |
ISBN | : 1470442825 |
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Tensor Products and Regularity Properties of Cuntz Semigroups
Author | : Ramon Antoine,Francesc Perera,Hannes Thiel |
Publsiher | : American Mathematical Soc. |
Total Pages | : 191 |
Release | : 2018-02-23 |
Genre | : C*-algebras |
ISBN | : 9781470427979 |
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The Cuntz semigroup of a -algebra is an important invariant in the structure and classification theory of -algebras. It captures more information than -theory but is often more delicate to handle. The authors systematically study the lattice and category theoretic aspects of Cuntz semigroups. Given a -algebra , its (concrete) Cuntz semigroup is an object in the category of (abstract) Cuntz semigroups, as introduced by Coward, Elliott and Ivanescu. To clarify the distinction between concrete and abstract Cuntz semigroups, the authors call the latter -semigroups. The authors establish the existence of tensor products in the category and study the basic properties of this construction. They show that is a symmetric, monoidal category and relate with for certain classes of -algebras. As a main tool for their approach the authors introduce the category of pre-completed Cuntz semigroups. They show that is a full, reflective subcategory of . One can then easily deduce properties of from respective properties of , for example the existence of tensor products and inductive limits. The advantage is that constructions in are much easier since the objects are purely algebraic.
On Non Generic Finite Subgroups of Exceptional Algebraic Groups
Author | : Alastair J. Litterick |
Publsiher | : American Mathematical Soc. |
Total Pages | : 156 |
Release | : 2018-05-29 |
Genre | : Affine algebraic groups |
ISBN | : 9781470428372 |
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Szeg Kernel Asymptotics for High Power of CR Line Bundles and Kodaira Embedding Theorems on CR Manifolds
Author | : Chin-Yu Hsiao |
Publsiher | : American Mathematical Soc. |
Total Pages | : 140 |
Release | : 2018-08-09 |
Genre | : Electronic Book |
ISBN | : 9781470441012 |
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Let X be an abstract not necessarily compact orientable CR manifold of dimension 2n−1, n⩾2, and let Lk be the k-th tensor power of a CR complex line bundle L over X. Given q∈{0,1,…,n−1}, let □(q)b,k be the Gaffney extension of Kohn Laplacian for (0,q) forms with values in Lk. For λ≥0, let Π(q)k,≤λ:=E((−∞,λ]), where E denotes the spectral measure of □(q)b,k. In this work, the author proves that Π(q)k,≤k−N0F∗k, FkΠ(q)k,≤k−N0F∗k, N0≥1, admit asymptotic expansions with respect to k on the non-degenerate part of the characteristic manifold of □(q)b,k, where Fk is some kind of microlocal cut-off function. Moreover, we show that FkΠ(q)k,≤0F∗k admits a full asymptotic expansion with respect to k if □(q)b,k has small spectral gap property with respect to Fk and Π(q)k,≤0 is k-negligible away the diagonal with respect to Fk. By using these asymptotics, the authors establish almost Kodaira embedding theorems on CR manifolds and Kodaira embedding theorems on CR manifolds with transversal CR S1 action.
Holomorphic Automorphic Forms and Cohomology
Author | : Roelof Bruggeman,Youngju Choie,Nikolaos Diamantis |
Publsiher | : American Mathematical Soc. |
Total Pages | : 167 |
Release | : 2018-05-29 |
Genre | : Algebraic topology |
ISBN | : 9781470428556 |
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Elliptic PDEs on Compact Ricci Limit Spaces and Applications
Author | : Shouhei Honda |
Publsiher | : American Mathematical Soc. |
Total Pages | : 92 |
Release | : 2018-05-29 |
Genre | : Geometry, Differential |
ISBN | : 9781470428549 |
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In this paper the author studies elliptic PDEs on compact Gromov-Hausdorff limit spaces of Riemannian manifolds with lower Ricci curvature bounds. In particular the author establishes continuities of geometric quantities, which include solutions of Poisson's equations, eigenvalues of Schrödinger operators, generalized Yamabe constants and eigenvalues of the Hodge Laplacian, with respect to the Gromov-Hausdorff topology. The author applies these to the study of second-order differential calculus on such limit spaces.
Mathematical Study of Degenerate Boundary Layers A Large Scale Ocean Circulation Problem
Author | : Anne-Laure Dalibard,Laure Saint-Raymond |
Publsiher | : American Mathematical Soc. |
Total Pages | : 111 |
Release | : 2018-05-29 |
Genre | : Boundary layer |
ISBN | : 9781470428358 |
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Globally Generated Vector Bundles with Small C1 on Projective Spaces
Author | : Cristian Anghel,Iustin Coandă,Nicolae Manolache |
Publsiher | : American Mathematical Soc. |
Total Pages | : 107 |
Release | : 2018-05-29 |
Genre | : Chern classes |
ISBN | : 9781470428389 |
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