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EJC
2010
13 years 10 months ago
A q-enumeration of alternating permutations
A classical result of Euler states that the tangent numbers are an alternating sum of Eulerian numbers. A dual result of Roselle states that the secant numbers can be obtained by a...
Matthieu Josuat-Vergès
CORR
2006
Springer
123views Education» more  CORR 2006»
13 years 10 months ago
Directed animals in the gas
In this paper, we revisit the enumeration of directed animals using gas models. We show that there exists a natural construction of random directed animals on any directed graph t...
Yvan Le Borgne, Jean-François Marckert
COMBINATORICS
2007
67views more  COMBINATORICS 2007»
13 years 10 months ago
Directed Animals and Gas Models Revisited
In this paper, we revisit the enumeration of directed animals using gas models. We show that there exists a natural construction of random directed animals on any directed graph t...
Yvan Le Borgne, Jean-François Marckert
ORI
2008
69views more  ORI 2008»
13 years 10 months ago
Markov chain applications in the slot machine industry
One of the important sectors within gambling is that of gaming machines. This industry used to favour approaches based on long-run simulations or complete enumerations of all poss...
Noelia Oses
TCOM
2008
82views more  TCOM 2008»
13 years 10 months ago
Detecting the number of signals in wireless DS-CDMA networks
In this paper, a new information theoretic algorithm is proposed for signal enumeration in DS-CDMA networks. The approach is based on the predictive description length (PDL) of the...
Shahrokh Valaee, Shahram Shahbazpanahi