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DLOG
2009
14 years 9 months ago
A Matter of Principles: Towards the Largest DLP Possible
Abstract. Description Logic Programs (DLP) have been described as a description logic (DL) that is in the "expressive intersection" of DL and datalog. This is a very weak...
Markus Krötzsch, Sebastian Rudolph
EJC
2008
14 years 12 months ago
On digraph coloring problems and treewidth duality
It is known that every constraint-satisfaction problem (CSP) reduces, and is in fact polynomially equivalent, to a digraph coloring problem. By carefully analyzing the constructio...
Albert Atserias
COCO
2009
Springer
96views Algorithms» more  COCO 2009»
15 years 6 months ago
Poly-logarithmic Independence Fools AC0 Circuits
We prove that poly-sized AC0 circuits cannot distinguish a poly-logarithmically independent distribution from the uniform one. This settles the 1990 conjecture by Linial and Nisan...
Mark Braverman
ACS
2008
14 years 12 months ago
The Fusion Algebra of Bimodule Categories
We establish an algebra-isomorphism between the complexified Grothendieck ring F of certain bimodule categories over a modular tensor category and the endomorphism algebra of appr...
Jürgen Fuchs, Ingo Runkel, Christoph Schweige...
DM
2010
77views more  DM 2010»
14 years 12 months ago
Hall-Littlewood polynomials and fixed point enumeration
We resolve affirmatively some conjectures of Reiner, Stanton, and White [6] regarding enumeration of various classes of matrices which are invariant under certain cyclic row and co...
Brendon Rhoades