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CORR
2008
Springer
86views Education» more  CORR 2008»
14 years 9 months ago
Capacity Regions and Bounds for a Class of Z-interference Channels
We define a class of Z-interference channels for which we obtain a new upper bound on the capacity region. The bound exploits a technique first introduced by Korner and Marton. A ...
Nan Liu, Andrea J. Goldsmith
ISAAC
2009
Springer
98views Algorithms» more  ISAAC 2009»
15 years 4 months ago
New Bounds on the Average Distance from the Fermat-Weber Center of a Planar Convex Body
The Fermat-Weber center of a planar body Q is a point in the plane from which the average distance to the points in Q is minimal. We first show that for any convex body Q in the ...
Adrian Dumitrescu, Csaba D. Tóth
STACS
2001
Springer
15 years 2 months ago
New Bounds on the OBDD-Size of Integer Multiplication via Universal Hashing
Abstract. Ordered binary decision diagrams (OBDDs) nowadays belong to the most common representation types for Boolean functions. Although they allow important operations such as s...
Philipp Woelfel
COMBINATORICS
1999
90views more  COMBINATORICS 1999»
14 years 9 months ago
New Bounds for Codes Identifying Vertices in Graphs
Let G = (V, E) be an undirected graph. Let C be a subset of vertices that we shall call a code. For any vertex v V , the neighbouring set N(v, C) is the set of vertices of C at d...
Gérard D. Cohen, Iiro S. Honkala, Antoine L...
CORR
2007
Springer
96views Education» more  CORR 2007»
14 years 9 months ago
New Complexity Bounds for Certain Real Fewnomial Zero Sets
d Abstract) Frederic Bihan∗ Joel Gomez† Andrew Niles‡ J. Maurice Rojas§ January 24, 2007 Rojas dedicates this paper to his friend, Professor Tien-Yien Li. Consider real biv...
Joel Gomez, Andrew Niles, J. Maurice Rojas