Results 1 to 10 of about 624 (138)
On a cohomology of digraphs and Hochschild cohomology [PDF]
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Alexander Grigor'Yan +2 more
exaly +2 more sources
Quantum cohomology as a deformation of symplectic cohomology
AbstractWe prove that under certain conditions, the quantum cohomology of a positively monotone compact symplectic manifold is a deformation of the symplectic cohomology of the complement of a simple crossings symplectic divisor. We also prove rigidity results for the skeleton of the divisor complement.
Borman, Matthew Strom +2 more
openaire +4 more sources
BRST cohomology is Lie algebroid cohomology
27 pages, 1 figure; v3: minor typos fixed; published ...
Weizhen Jia +2 more
openaire +4 more sources
Cohomological finiteness conditions in Bredon cohomology [PDF]
We show that any soluble group $G$ of type Bredon-$\FP_{\infty}$ with respect to the family of all virtually cyclic subgroups such that centralizers of infinite order elements are of type $\FP_{\infty}$ must be virtually cyclic. To prove this, we first reduce the problem to the case of polycyclic groups and then we show that a polycyclic-by-finite ...
Kochloukova, D.H. +2 more
openaire +3 more sources
The vorticity-streamfunction formulation for incompressible inviscid fluids is the basis for many fluid simulation methods in computer graphics, including vortex methods, streamfunction solvers, spectral methods, and Monte Carlo methods.
Hang Yin +4 more
openaire +1 more source
En–cohomology with coefficients as functor cohomology [PDF]
Building on work of Livernet and Richter, we prove that E_n-homology and E_n-cohomology of a commutative algebra with coefficients in a symmetric bimodule can be interpreted as functor homology and cohomology. Furthermore we show that the associated Yoneda algebra is trivial.
openaire +3 more sources
L2-Cohomology and group cohomology
Simplicial \(L_ 2\)-cohomology is based on the space of square-summable real-valued cochains on a simplicial complex. The authors show how to extend this \(L_ 2\)-cohomology to group equivariant singular \(L_ 2\)- cohomology on arbitrary topological spaces.
Cheeger, Jeff, Gromov, Mikhael
openaire +1 more source
A remark on singular cohomology and sheaf cohomology
We prove a comparison isomorphism between singular cohomology and sheaf cohomology.
openaire +2 more sources
Establishing Shape Correspondences: A Survey
Abstract Shape correspondence between surfaces in 3D is a central problem in geometry processing, concerned with establishing meaningful relations between surfaces. While all correspondence problems share this goal, specific formulations can differ significantly: Downstream applications require certain properties that correspondences must satisfy ...
A. Heuschling, H. Meinhold, L. Kobbelt
wiley +1 more source
Scalable Computation of Topological Abstractions for Scalar Data
Abstract Topological data analysis has become an important tool for large scale scalar data analysis and visualization, efficiently extracting the inherent structure and features of interest of the data. However, with growing dataset sizes and complexity, it is increasingly becoming infeasible to compute topological abstractions of interest in serial ...
M. Will +6 more
wiley +1 more source

