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SIAMIS
2008
174views more  SIAMIS 2008»
15 years 6 months ago
Efficient Reconstruction of Piecewise Constant Images Using Nonsmooth Nonconvex Minimization
We consider the restoration of piecewise constant images where the number of the regions and their values are not fixed in advance, with a good difference of piecewise constant val...
Mila Nikolova, Michael K. Ng, Shuqin Zhang, Wai-Ki...
TCS
2008
15 years 6 months ago
Self-deployment of mobile sensors on a ring
Mobile sensors can self-deploy in a purely decentralized and distributed fashion, so to reach in finite time a state of static equilibrium in which they cover uniformly the enviro...
Paola Flocchini, Giuseppe Prencipe, Nicola Santoro
JALC
2007
90views more  JALC 2007»
15 years 6 months ago
Learning Unary Automata
We determine the complexity of learning problems for unary regular languages. We begin by investigating the minimum consistent dfa (resp. nfa) problem which is known not to be app...
Gregor Gramlich, Ralf Herrmann
AI
2002
Springer
15 years 6 months ago
Algorithm for optimal winner determination in combinatorial auctions
Combinatorial auctions, that is, auctions where bidders can bid on combinations of items, tend to lead to more efficient allocations than traditional auction mechanisms in multi-i...
Tuomas Sandholm
JCNS
2000
104views more  JCNS 2000»
15 years 6 months ago
Subthreshold Voltage Noise Due to Channel Fluctuations in Active Neuronal Membranes
Abstract. Voltage-gated ion channels in neuronal membranes fluctuate randomly between different conformational states due to thermal agitation. Fluctuations between conducting and ...
Peter N. Steinmetz, Amit Manwani, Christof Koch, M...