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COMBINATORICS
2004
110views more  COMBINATORICS 2004»
15 years 6 months ago
Flag Vectors of Multiplicial Polytopes
Bisztriczky introduced the multiplex as a generalization of the simplex. A polytope is multiplicial if all its faces are multiplexes. In this paper it is proved that the flag vect...
Margaret M. Bayer
COMBINATORICS
2004
76views more  COMBINATORICS 2004»
15 years 6 months ago
Geometrically Constructed Bases for Homology of Partition Lattices
Abstract. We use the theory of hyperplane arrangements to construct natural bases for the homology of partition lattices of types A, B and D. This extends and explains the "sp...
Anders Björner, Michelle L. Wachs
COMBINATORICS
2004
106views more  COMBINATORICS 2004»
15 years 6 months ago
Random Matrices, Magic Squares and Matching Polynomials
Characteristic polynomials of random unitary matrices have been intensively studied in recent years: by number theorists in connection with Riemann zetafunction, and by theoretica...
Persi Diaconis, Alexander Gamburd
AML
2000
71views more  AML 2000»
15 years 6 months ago
Consistency of V = HOD with the wholeness axiom
The Wholeness Axiom (WA) is an axiom schema that can be added to the axioms of ZFC in an extended language {, j}, and that asserts the existence of a nontrivial elementary embeddin...
Paul Corazza
CJ
2002
67views more  CJ 2002»
15 years 6 months ago
Using Bloom Filters to Speed-up Name Lookup in Distributed Systems
Bloom filters make use of a "probabilistic" hash-coding method to reduce the amount of space required to store a hash set. A Bloom filter offers a trade-off between its ...
Mark C. Little, Santosh K. Shrivastava, Neil A. Sp...