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PRL
2007
13 years 9 months ago
2007
EJC
2006
13 years 10 months ago
2006
We study the positive Bergman complex B+ (M) of an oriented matroid M, which is a certain subcomplex of the Bergman complex B(M) of the underlying unoriented matroid M. The positiv...
JCT
2007
13 years 10 months ago
2007
Given a sequence of integers b = (b0,b1,b2,...) one gives a Dyck path P of length 2n the weight wt(P) = bh1 bh2 ···bhn , where hi is the height of the ith ascent of P. The corr...
HCI
2007
13 years 11 months ago
2007
A method of drawing anchored maps for bipartite graphs is presented. Suppose that the node set of a bipartite graph is divided into set A and set B. On an anchored map of the bipar...
APVIS
2006
13 years 11 months ago
2006
A method of drawing anchored maps for bipartite graphs is presented. Suppose that the node set of a bipartite graph is divided into set A and set B. On an anchored map of the bipa...