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GLOBECOM
2008
IEEE
15 years 6 months ago
On Sum-Rate Capacity of Parallel Gaussian Symmetric Interference Channels
— In this paper, we study the optimal transceiver structure for achieving sum-rate capacity of a parallel Gaussian symmetric interference channel. Specifically, we derive a set ...
Xiaohu Shang, Biao Chen, Gerhard Kramer
APAL
2006
89views more  APAL 2006»
15 years 5 months ago
On modal logic of deductive closure
A new modal logic D is introduced. It describes properties of provability by interpreting modality as a deductive closure operator on sets of formulas. Logic D is proven to be dec...
Pavel Naumov
COMBINATORICS
2006
92views more  COMBINATORICS 2006»
15 years 5 months ago
Equitable Matroids
One way to choose a basis of a matroid at random is to choose an ordering of the ground set uniformly at random and then use the greedy algorithm to find a basis. We investigate t...
Dillon Mayhew
JALC
2006
81views more  JALC 2006»
15 years 5 months ago
A Monoidal Interval of Clones of Selfdual Functions
Let A be a 2p-element set, p prime, and let be a fixed point-free permutation on A of order p. We study the interval of clones C on A such that C consists of functions that are s...
Andrei A. Krokhin, Ivo G. Rosenberg
ITA
2007
15 years 5 months ago
Recursive coalgebras of finitary functors
Abstract For finitary set functors preserving inverse images several concepts of coalgebras A are proved to be equivalent: (i) A has a homomorphism into the initial algebra, (ii) ...
Jirí Adámek, Dominik Lücke, Ste...