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NA
2010
114views more  NA 2010»
15 years 5 months ago
Matrix interpretation of multiple orthogonality
Abstract: In this work we give an interpretation of a (s(d + 1) + 1)-term recurrence relation in terms of type II multiple orthogonal polynomials. We rewrite this recurrence relati...
Amílcar Branquinho, Luis Cotrim, Ana Foulqu...
ECAI
2008
Springer
15 years 9 months ago
Advanced Preprocessing for Answer Set Solving
Abstract. We introduce the first substantial approach to preprocessing in the context of answer set solving. The idea is to simplify a logic program while identifying equivalences ...
Martin Gebser, Benjamin Kaufmann, André Neu...
CP
2008
Springer
15 years 9 months ago
Solving a Telecommunications Feature Subscription Configuration Problem
Abstract. Call control features (e.g., call-divert, voice-mail) are primitive options to which users can subscribe off-line to personalise their service. The configuration of a fea...
David Lesaint, Deepak Mehta, Barry O'Sullivan, Lui...
CORR
2008
Springer
155views Education» more  CORR 2008»
15 years 7 months ago
Weighted Sum Rate Optimization for Cognitive Radio MIMO Broadcast Channels
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
Lan Zhang, Yan Xin, Ying-Chang Liang
CORR
2010
Springer
66views Education» more  CORR 2010»
15 years 5 months ago
A Unique "Nonnegative" Solution to an Underdetermined System: from Vectors to Matrices
Abstract--This paper investigates the uniqueness of a nonnegative vector solution and the uniqueness of a positive semidefinite matrix solution to underdetermined linear systems. A...
Meng Wang, Weiyu Xu, Ao Tang