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EJC
2000
13 years 7 months ago
Further Investigations Involving Rook Polynomials With Only Real Zeros
We study the zeros of two families of polynomials related to rook theory and matchings in graphs. One of these families is based on the cover polynomial of a digraph introduced by ...
James Haglund
LOGCOM
2010
123views more  LOGCOM 2010»
13 years 6 months ago
The Hyper Tableaux Calculus with Equality and an Application to Finite Model Computation
In most theorem proving applications, a proper treatment of equational theories or equality is mandatory. In this paper we show how to integrate a modern treatment of equality in ...
Peter Baumgartner, Ulrich Furbach, Björn Pelz...
APAL
2010
92views more  APAL 2010»
13 years 5 months ago
The eskolemization of universal quantifiers
This paper is a sequel to the papers [4, 6] in which an alternative skolemization method called ekolemization was introduced that, when applied to the strong existential quantifie...
Rosalie Iemhoff
CMA
2010
95views more  CMA 2010»
13 years 5 months ago
The Laplace transform on isolated time scales
Starting with a general definition of the Laplace transform on arbitrary time scales, we specify the Laplace transform on isolated time scales, prove several properties of the Lapl...
Martin Bohner, Gusein Sh. Guseinov
JCT
2011
101views more  JCT 2011»
13 years 2 months ago
Almost all triple systems with independent neighborhoods are semi-bipartite
The neighborhood of a pair of vertices u, v in a triple system is the set of vertices w such that uvw is an edge. A triple system H is semi-bipartite if its vertex set contains a ...
József Balogh, Dhruv Mubayi