Results 21 to 30 of about 19,032,569 (230)
Twisted K-theory of differentiable stacks [PDF]
In this paper, we develop twisted $K$-theory for stacks, where the twisted class is given by an $S^1$-gerbe over the stack. General properties, including the Mayer-Vietoris property, Bott periodicity, and the product structure $K^i_\alpha \otimes K^j_ ...
Laurent-Gengoux, Camille +2 more
core +4 more sources
EQUIVARIANT $K$ -THEORY OF GRASSMANNIANS [PDF]
We address a unification of the Schubert calculus problems solved by Buch [A Littlewood–Richardson rule for the $K$ -theory of Grassmannians, Acta Math.
O. Pechenik, A. Yong
semanticscholar +1 more source
Compactly supported Wannier functions and algebraic K -theory [PDF]
In a tight-binding lattice model with $n$ orbitals (single-particle states) per site, Wannier functions are $n$-component vector functions of position that fall off rapidly away from some location, and such that a set of them in some sense span all ...
N. Read
semanticscholar +1 more source
K-Theory and Pseudospectra for Topological Insulators [PDF]
We derive formulas and algorithms for Kitaev's invariants in the periodic table for topological insulators and superconductors for finite disordered systems on lattices with boundaries.
T. Loring
semanticscholar +1 more source
The localization sequence for the algebraic K-theory of topological K-theory
We prove a conjecture of Rognes by establishing a localization cofiber sequence of spectra, K(Z) to K(ku) to K(KU) to Sigma K(Z), for the algebraic K-theory of topological K-theory. We deduce the existence of this sequence as a consequence of a devissage
Andrew J. Blumberg +4 more
core +2 more sources
Equivariant $K$-theory of GKM bundles [PDF]
Given a fiber bundle of GKM spaces, $\pi\colon M\to B$, we analyze the structure of the equivariant $K$-ring of $M$ as a module over the equivariant $K$-ring of $B$ by translating the fiber bundle, $\pi$, into a fiber bundle of GKM graphs and ...
B. Kostant +8 more
core +3 more sources
On the algebraic K-theory of the complex K-theory spectrum
Let p>3 be a prime, let ku be the connective complex K-theory spectrum, and let K(ku) be the algebraic K-theory spectrum of ku. We study the p-primary homotopy type of the spectrum K(ku) by computing its mod (p,v_1) homotopy groups.
A. Borel +35 more
core +1 more source
ABSTRACT Introduction Adolescent siblings of children with cancer are at elevated risk for psychosocial problems. Unfortunately, various barriers such as limited family time and resources, conflicting schedules, and psychosocial staffing constraints at cancer centers hinder sibling access to support.
Christina M. Amaro +10 more
wiley +1 more source
We show how methods from K-theory of operator algebras can be applied in a completely algebraic setting to define a bivariant, matrix-stable, homotopy-invariant, excisive K-theory of algebras over a fixed unital ground ring H, kk_*(A,B), which is ...
Andreas Thom +7 more
core +6 more sources
Spectral Mackey functors and equivariant algebraic K-theory (I) [PDF]
Spectral Mackey functors are homotopy-coherent versions of ordinary Mackey functors as defined by Dress. We show that they can be described as excisive functors on a suitable infinity-category, and we use this to show that universal examples of these ...
C. Barwick
semanticscholar +1 more source

