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AMC
2007
67views more  AMC 2007»
14 years 10 months ago
A note on a sum associated with the generalized hypergeometric function
A new summation formula that is connected to the generalized hypergeometric function is presented. The formula can be applied in the Taylor series method for the solution of ordin...
Markus Neher
APPML
2006
120views more  APPML 2006»
14 years 10 months ago
Inversion of general tridiagonal matrices
In the current work, the authors present a symbolic algorithm for finding the inverse of any general nonsingular tridiagonal matrix. The algorithm is mainly based on the work pres...
Moawwad E. A. El-Mikkawy, Abdelrahman Karawia
EJC
2006
14 years 10 months ago
An iterative-bijective approach to generalizations of Schur's theorem
Abstract. We start with a bijective proof of Schur's theorem due to Alladi and Gordon and describe how a particular iteration of it leads to some very general theorems on colo...
Sylvie Corteel, Jeremy Lovejoy
IJNSEC
2008
103views more  IJNSEC 2008»
14 years 10 months ago
General Group Oriented ID-based Cryptosystems with Chosen Plaintext Security
A scheme for general group oriented ID-based cryptosystems is proposed. This scheme allows an authorized subset in the general access structure to cooperatively decrypt the cipher...
Chunxiang Xu, Junhui Zhou, Guozhen Xiao
ORL
2006
114views more  ORL 2006»
14 years 9 months ago
A (1-1/e)-approximation algorithm for the generalized assignment problem
We give a (1 - 1/e)-approximation algorithm for the Max-Profit Generalized Assignment Problem (Max-GAP) with fixed profits when the profit (but not necessarily the size) of every ...
Zeev Nutov, Israel Beniaminy, Raphael Yuster