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COMBINATORICS
2004
90views more  COMBINATORICS 2004»
15 years 5 months ago
Strings with Maximally Many Distinct Subsequences and Substrings
A natural problem in extremal combinatorics is to maximize the number of distinct subsequences for any length-n string over a finite alphabet ; this value grows exponentially, but...
Abraham Flaxman, Aram Wettroth Harrow, Gregory B. ...
ESE
1998
131views Database» more  ESE 1998»
15 years 5 months ago
A Comparison of Tool-Based and Paper-Based Software Inspection
Software inspection is an e ective method of defect detection. Recent research activity has considered the development of tool support to further increase the e ciency and e ectiv...
F. MacDonald, J. Miller
ISVD
2010
IEEE
15 years 4 months ago
Alpha Shape Topology of the Cosmic Web
—We study the topology of the Megaparsec Cosmic Web on the basis of the Alpha Shapes of the galaxy distribution. The simplicial complexes of the alpha shapes are used to determin...
Rien van de Weygaert, Erwin Platen, Gert Vegter, B...
JCT
2010
112views more  JCT 2010»
15 years 4 months ago
Annular embeddings of permutations for arbitrary genus
In the symmetric group on a set of size 2n, let P2n denote the conjugacy class of involutions with no fixed points (equivalently, we refer to these as “pairings”, since each ...
I. P. Goulden, William Slofstra
PAMI
2010
396views more  PAMI 2010»
15 years 4 months ago
Self-Validated Labeling of Markov Random Fields for Image Segmentation
—This paper addresses the problem of self-validated labeling of Markov random fields (MRFs), namely to optimize an MRF with unknown number of labels. We present graduated graph c...
Wei Feng, Jiaya Jia, Zhi-Qiang Liu