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STOC
2009
ACM
181views Algorithms» more  STOC 2009»
16 years 9 days ago
The detectability lemma and quantum gap amplification
The quantum analog of a constraint satisfaction problem is a sum of local Hamiltonians - each (term of the) Hamiltonian specifies a local constraint whose violation contributes to...
Dorit Aharonov, Itai Arad, Zeph Landau, Umesh V. V...
FSTTCS
2004
Springer
15 years 5 months ago
Distributed Algorithms for Coloring and Domination in Wireless Ad Hoc Networks
Abstract. We present fast distributed algorithms for coloring and (connected) dominating set construction in wireless ad hoc networks. We present our algorithms in the context of U...
Srinivasan Parthasarathy 0002, Rajiv Gandhi
SWAT
2004
Springer
153views Algorithms» more  SWAT 2004»
15 years 5 months ago
Melding Priority Queues
We show that any priority queue data structure that supports insert, delete, and find-min operations in pq(n) time, when n is an upper bound on the number of elements in the prio...
Ran Mendelson, Robert Endre Tarjan, Mikkel Thorup,...
CORR
2010
Springer
152views Education» more  CORR 2010»
14 years 11 months ago
Deploying Wireless Networks with Beeps
Abstract. We present the discrete beeping communication model, which assumes nodes have minimal knowledge about their environment and severely limited communication capabilities. S...
Alejandro Cornejo, Fabian Kuhn
PAMI
2010
190views more  PAMI 2010»
14 years 10 months ago
OBJCUT: Efficient Segmentation Using Top-Down and Bottom-Up Cues
—We present a probabilistic method for segmenting instances of a particular object category within an image. Our approach overcomes the deficiencies of previous segmentation tech...
M. Pawan Kumar, Philip H. S. Torr, Andrew Zisserma...