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LICS
2000
IEEE
13 years 12 months ago
Computational Complexity of Some Problems Involving Congruences on Algebras
We prove that several problems concerning congruences on algebras are complete for nondeterministic log-space. These problems are: determining the congruence on a given algebra gen...
Clifford Bergman, Giora Slutzki
CORR
2006
Springer
79views Education» more  CORR 2006»
13 years 7 months ago
On the structure of generalized toric codes
Toric codes are obtained by evaluating rational functions of a nonsingular toric variety at the algebraic torus. One can extend toric codes to the so called generalized toric code...
Diego Ruano
ACL
2003
13 years 9 months ago
A Ranking Model of Proximal and Structural Text Retrieval Based on Region Algebra
This paper investigates an application of the ranked region algebra to information retrieval from large scale but unannotated documents. We automatically annotated documents with ...
Katsuya Masuda
SIAMDM
2010
111views more  SIAMDM 2010»
13 years 2 months ago
Hopf Structures on the Multiplihedra
We investigate algebraic structures that can be placed on vertices of the multiplihedra, a family of polytopes originating in the study of higher categories and homotopy theory. Mo...
Stefan Forcey, Aaron Lauve, Frank Sottile
ENTCS
2007
116views more  ENTCS 2007»
13 years 7 months ago
Co-Algebraic Models for Quantitative Spatial Logics
We introduce a class of coalgebraic models and a family of modal logics that support the specication of spatial properties of distributed applications. The evaluation of a formul...
Vincenzo Ciancia, Gian Luigi Ferrari