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CASC
2010
Springer
160views Mathematics» more  CASC 2010»
13 years 9 months ago
Factorization of Polynomials and GCD Computations for Finding Universal Denominators
We discuss the algorithms which, given a linear difference equation with rational function coefficients over a field k of characteristic 0, compute a polynomial U(x) ∈ k[x] (a ...
Sergei A. Abramov, A. Gheffar, D. E. Khmelnov
ICIP
2005
IEEE
14 years 11 months ago
Sampling schemes for 2-D signals with finite rate of innovation using kernels that reproduce polynomials
In this paper, we propose new sampling schemes for classes of 2-D signals with finite rate of innovation (FRI). In particular, we consider sets of 2-D Diracs and bilevel polygons....
Pancham Shukla, Pier Luigi Dragotti
STOC
2003
ACM
96views Algorithms» more  STOC 2003»
14 years 10 months ago
Optimal oblivious routing in polynomial time
A recent seminal result of R?acke is that for any network there is an oblivious routing algorithm with a polylog competitive ratio with respect to congestion. Unfortunately, R?ack...
Yossi Azar, Edith Cohen, Amos Fiat, Haim Kaplan, H...
ICASSP
2009
IEEE
14 years 4 months ago
Minimax design of adjustable FIR filters using 2D polynomial methods
The problem under study here is the minimax design of linearphase lowpass FIR filters having variable passband width and implemented through a Farrow structure. We have two main ...
Bogdan Dumitrescu, Bogdan C. Sicleru, Radu Stefan
ICRA
2008
IEEE
104views Robotics» more  ICRA 2008»
14 years 4 months ago
Towards locally computable polynomial navigation functions for convex obstacle workspaces
— In this paper we present a polynomial Navigation Function (NF) for a sphere world that can be constructed almost locally, with partial knowledge of the environment. The present...
Grigoris Lionis, Xanthi Papageorgiou, Kostas J. Ky...