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DCG
2010
84views more  DCG 2010»
13 years 7 months ago
Matroid Polytopes and their Volumes
We express the matroid polytope PM of a matroid M as a signed Minkowski sum of simplices, and obtain a formula for the volume of PM . This gives a combinatorial expression for the...
Federico Ardila, Carolina Benedetti, Jeffrey Doker
ECCC
2002
90views more  ECCC 2002»
13 years 6 months ago
Almost k-wise independence versus k-wise independence
We say that a distribution over {0, 1}n is ( , k)-wise independent if its restriction to every k coordinates results in a distribution that is -close to the uniform distribution. ...
Noga Alon, Oded Goldreich, Yishay Mansour
ECSA
2010
Springer
13 years 7 months ago
Software ecosystems vs. natural ecosystems: learning from the ingenious mind of nature
The use of the term ecosystem in the context of extensible software platforms and third-party developers or user communities has made us ponder about the similarities between soft...
Deepak Dhungana, Iris Groher, Elisabeth Schluderma...