7055 search results - page 226 / 1411 » Some New 4-Designs |
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DM
2006
15 years 6 months ago
2006
Our main result describes how to extend a matroid so that its ground set is a modular hyperplane of the larger matroid. This result yields a new way to view Dowling lattices and ne...
174
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CN
2007
15 years 6 months ago
2007
Since the turn of the century, smart card technology has pushed its borders both on the high end to integrate new functionalities (e.g., networking) and on the low end to adapt to...
159
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COMBINATORICS
2007
15 years 6 months ago
2007
The known bijections on Dyck paths are either involutions or have notoriously intractable cycle structure. Here we present a size-preserving bijection on Dyck paths whose cycle st...
150
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IJON
2006
15 years 6 months ago
2006
: In this paper, an image binarization method based on a new discriminant criterion is proposed. The criterion emphasizes much the homogeneity of the object gray level distribution...
171
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JUCS
2008
15 years 6 months ago
2008
: This article provides a comparison among different methods for estimating the aggregation of Internet traffic resulting from different users, network-access types and correspondi...