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» On arithmetic and asymptotic properties of up-down numbers
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DM
2007
69views more  DM 2007»
13 years 11 months ago
On arithmetic and asymptotic properties of up-down numbers
Francis C. S. Brown, Thomas M. A. Fink, Karen Will...
ISAAC
2003
Springer
141views Algorithms» more  ISAAC 2003»
14 years 4 months ago
Quasi-optimal Arithmetic for Quaternion Polynomials
Abstract. Fast algorithms for arithmetic on real or complex polynomials are wellknown and have proven to be not only asymptotically efficient but also very practical. Based on Fas...
Martin Ziegler
STOC
2009
ACM
152views Algorithms» more  STOC 2009»
14 years 5 months ago
Green's conjecture and testing linear-invariant properties
A system of linear equations in p unknowns Mx = b is said to have the removal property if every set S ⊆ {1, . . . , n} which contains o(np− ) solutions of Mx = b can be turned...
Asaf Shapira
EJC
2008
13 years 11 months ago
Equivelar maps on the torus
Abstract. We give a classification of all equivelar polyhedral maps on the torus. In particular, we classify all triangulations and quadrangulations of the torus admitting a vertex...
Ulrich Brehm, Wolfgang Kühnel