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» Improved undecidability results on weighted timed automata
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STOC
2012
ACM
209views Algorithms» more  STOC 2012»
13 years 6 days ago
Nearly optimal solutions for the chow parameters problem and low-weight approximation of halfspaces
The Chow parameters of a Boolean function f : {−1, 1}n → {−1, 1} are its n + 1 degree-0 and degree-1 Fourier coefficients. It has been known since 1961 [Cho61, Tan61] that ...
Anindya De, Ilias Diakonikolas, Vitaly Feldman, Ro...
ICCV
2007
IEEE
15 years 11 months ago
Applications of parametric maxflow in computer vision
The maximum flow algorithm for minimizing energy functions of binary variables has become a standard tool in computer vision. In many cases, unary costs of the energy depend linea...
Vladimir Kolmogorov, Yuri Boykov, Carsten Rother
ICC
2008
IEEE
123views Communications» more  ICC 2008»
15 years 4 months ago
Downlink OFDM Scheduling and Resource Allocation for Delay Constraint SVC Streaming
Abstract—Efficient delivery of multimedia contents over wireless network is essential for future communication networks. However, content distribution and network engineering ar...
Xin Ji, Jianwei Huang, Mung Chiang, Francky Cattho...
APPROX
2009
Springer
163views Algorithms» more  APPROX 2009»
15 years 4 months ago
The Power of Preemption on Unrelated Machines and Applications to Scheduling Orders
Abstract. Scheduling jobs on unrelated parallel machines so as to minimize the makespan is one of the basic, well-studied problems in the area of machine scheduling. In the first ...
José R. Correa, Martin Skutella, José...
ICALP
2005
Springer
15 years 3 months ago
New Approaches for Virtual Private Network Design
Virtual Private Network Design is the following NP-hard problem. We are given a communication network, represented as a weighted graph with thresholds on the nodes which represent...
Friedrich Eisenbrand, Fabrizio Grandoni, Gianpaolo...