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» The Shortcut Problem - Complexity and Approximation
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NIPS
2003
15 years 7 months ago
Clustering with the Connectivity Kernel
Clustering aims at extracting hidden structure in dataset. While the problem of finding compact clusters has been widely studied in the literature, extracting arbitrarily formed ...
Bernd Fischer, Volker Roth, Joachim M. Buhmann
HEURISTICS
2008
136views more  HEURISTICS 2008»
15 years 4 months ago
Enhancing set constraint solvers with lexicographic bounds
Since their beginning in constraint programming, set solvers have been applied to a wide range of combinatorial search problems, such as bin-packing, set partitioning, circuit desi...
Andrew Sadler, Carmen Gervet
CP
2010
Springer
15 years 4 months ago
An Empirical Study of Optimization for Maximizing Diffusion in Networks
Abstract. We study the problem of maximizing the amount of stochastic diffusion in a network by acquiring nodes within a certain limited budget. We use a Sample Average Approximati...
Kiyan Ahmadizadeh, Bistra N. Dilkina, Carla P. Gom...
FOCM
2011
175views more  FOCM 2011»
15 years 1 months ago
Convergence of Fixed-Point Continuation Algorithms for Matrix Rank Minimization
The matrix rank minimization problem has applications in many fields such as system identification, optimal control, low-dimensional embedding etc. As this problem is NP-hard in ...
Donald Goldfarb, Shiqian Ma
JNS
2010
89views more  JNS 2010»
15 years 1 months ago
The Pattern of Multiple Rings from Morphogenesis in Development
Under certain conditions the problem of morphogenesis in development and the problem of morphology in block copolymers may be reduced to one geometric problem. In two dimensions t...
Xiaosong Kang, Xiaofeng Ren