Sciweavers

ACS
2010
14 years 18 days ago
Cubical Version of Combinatorial Differential Forms
The theory of combinatorial differential forms is usually presented in simplicial terms. We present here a cubical version; it depends on the possibility of forming affine combina...
Anders Kock
ACS
2010
14 years 18 days ago
Bisets as Categories and Tensor Product of Induced Bimodules
: Bisets can be considered as categories. This note uses this point of view to give a simple proof of a Mackey-like formula expressing the tensor product of two induced bimodules. ...
Serge Bouc
ACS
2010
14 years 18 days ago
Essentiality and Injectivity
Essentiality is an important notion closely related to injectivity. Depending on a class M of morphisms of a category A, three different types of essentiality are considered in lit...
H. Barzegar, M. Mehdi Ebrahimi, Mojgan Mahmoudi