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» Megamaps: Construction and Examples
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DM
2006
81views more  DM 2006»
15 years 6 months ago
A combinatorial identity with application to Catalan numbers
By a very simple argument, we prove that if l, m, n {0, 1, 2, . . . } then l k=0 (-1)m-k l k m - k n 2k k - 2l + m = l k=0 l k 2k n n - l m + n - 3k - l . On the basis of this ide...
Hao Pan, Zhi-Wei Sun
ENTCS
2006
135views more  ENTCS 2006»
15 years 6 months ago
Initializing Mutually Referential Abstract Objects: The Value Recursion Challenge
zing Mutually Referential Abstract Objects: The Value Recursion Challenge Don Syme 1 Microsoft Research, Cambridge, U.K. Mutual dependencies between objects arise frequently in pr...
Don Syme
ENTCS
2006
144views more  ENTCS 2006»
15 years 6 months ago
Infinitary Howe's Method
Howe's method is a well-known technique for proving that various kinds of applicative bisimilarity (or similarity) on a functional language are congruences (or precongruences...
Paul Blain Levy
ENVSOFT
2006
76views more  ENVSOFT 2006»
15 years 6 months ago
LQGraph: A software package for optimizing connectivity in conservation planning
LQGraph implements methods for optimizing the connectivity of sites administered to protect biodiversity (a conservation area network). The methods are suitable for existing prote...
Trevon Fuller, Sahotra Sarkar
CAD
2007
Springer
15 years 6 months ago
Generating strictly non-self-overlapping structured quadrilateral grids
In this paper, we present a BPM (Bézier Patch Mapping) algorithm which generates a strictly non-self-overlapping structured quadrilateral grid in a given four-sided planar region...
Hongwei Lin, Kai Tang, Ajay Joneja, Hujun Bao