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EJC
2010
14 years 12 months ago
Connectivity of chamber graphs of buildings and related complexes
Let be a finite building (or, more generally, a thick spherical and locally finite building). The chamber graph G(), whose edges are the pairs of adjacent chambers in , is known t...
Anders Björner, Kathrin Vorwerk
CORR
2010
Springer
74views Education» more  CORR 2010»
14 years 11 months ago
Scalar-linear Solvability of Matroidal Networks Associated with Representable Matroids
We study matroidal networks introduced by Dougherty et al., who showed that if a network is scalar-linearly solvable over some finite field, then the network is a matroidal network...
Anthony Kim, Muriel Médard
ICALP
2009
Springer
16 years 1 days ago
Decidability of Conjugacy of Tree-Shifts of Finite Type
A one-sided (resp. two-sided) shift of finite type of dimension one can be described as the set of infinite (resp. bi-infinite) sequences of consecutive edges in a finite-state aut...
Nathalie Aubrun, Marie-Pierre Béal
AML
2008
85views more  AML 2008»
14 years 12 months ago
A hierarchy of hereditarily finite sets
This article defines a hierarchy on the hereditarily finite sets which reflects the way sets are built up from the empty set by repeated adjunction, the addition to an already exis...
Laurence Kirby
ACL
1997
15 years 1 months ago
Document Classification Using a Finite Mixture Model
We propose a new method of classifying documents into categories. We define for each category a finite mixture model based on soft clustering of words. We treat the problem of cla...
Hang Li, Kenji Yamanishi