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» On the topological lower bound for the multichromatic number
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WDAG
2007
Springer
86views Algorithms» more  WDAG 2007»
13 years 11 months ago
Optimal On-Line Colorings for Minimizing the Number of ADMs in Optical Networks
We consider the problem of minimizing the number of ADMs in optical networks. All previous theoretical studies of this problem dealt with the off-line case, where all the lightpat...
Mordechai Shalom, Prudence W. H. Wong, Shmuel Zaks
STOC
2005
ACM
130views Algorithms» more  STOC 2005»
14 years 5 months ago
From a static impossibility to an adaptive lower bound: the complexity of early deciding set agreement
Set agreement, where processors decisions constitute a set of outputs, is notoriously harder to analyze than consensus where the decisions are restricted to a single output. This ...
Eli Gafni, Rachid Guerraoui, Bastian Pochon
SOFSEM
2010
Springer
14 years 2 months ago
Parallel Randomized Load Balancing: A Lower Bound for a More General Model
We extend the lower bound of Adler et. al [1] and Berenbrink [3] for parallel randomized load balancing algorithms. The setting in these asynchronous and distributed algorithms is...
Guy Even, Moti Medina
CORR
2010
Springer
115views Education» more  CORR 2010»
13 years 5 months ago
Optimal topological simplification of discrete functions on surfaces
We solve the problem of minimizing the number of critical points among all functions on a surface within a prescribed distance from a given input function. The result is achieved...
Ulrich Bauer, Carsten Lange, Max Wardetzky
JSAC
2006
157views more  JSAC 2006»
13 years 5 months ago
Traffic grooming in path, star, and tree networks: complexity, bounds, and algorithms
We consider the problem of traffic grooming in WDM path, star, and tree networks. Traffic grooming is a variant of the well-known logical topology design, and is concerned with the...
Shu Huang, Rudra Dutta, George N. Rouskas