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» On the decomposition of rational functions
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AAECC
2006
Springer
135views Algorithms» more  AAECC 2006»
13 years 8 months ago
Computing Hypergeometric Solutions of Linear Recurrence Equations
We describe a complete algorithm to compute the hypergeometric solutions of linear recurrence relations with rational function coefficients. We use the notion of finite singularit...
Thomas Cluzeau, Mark van Hoeij
DM
2002
93views more  DM 2002»
13 years 8 months ago
A proof of the q, t-Catalan positivity conjecture
We present here a proof that a certain rational function Cn(q, t) which has come to be known as the "q, t-Catalan" is in fact a polynomial with positive integer coeffici...
Adriano M. Garsia, James Haglund
LPAR
2001
Springer
14 years 1 months ago
Boolean Functions for Finite-Tree Dependencies
Several logic-based languages, such as Prolog II and its successors, SICStus Prolog and Oz, offer a computation domain including rational trees. Infinite rational trees allow fo...
Roberto Bagnara, Enea Zaffanella, Roberta Gori, Pa...
ICIP
1999
IEEE
14 years 10 months ago
Nonlinear Interpolators for Old Movie Restoration
A nonlinear interpolat,or using a rational function filter is applied to the restoration of image sequence frames of digitized old movies. Samples to be interpolated are due to st...
Etienne Decencière Ferrandiere, Giovanni Ra...
ICIP
1999
IEEE
14 years 10 months ago
Programmable Hardware Implementation for the Median-Rational Hybrid Filters
The Median-Rational Hybrid Filter (MRHF) has been recently introduced [1][2] as a new class of nonlinear filters and successfully applied to image filtering problems. The main cha...
Lazhar Khriji, Giuseppe Bernacchia, Moncef Gabbouj...