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COMBINATORICA
2004
51views more  COMBINATORICA 2004»
13 years 7 months ago
Nowhere-Zero 4-Flows, Simultaneous Edge-Colorings, And Critical Partial Latin Squares
It is proved in this paper that every bipartite graphic sequence with the minimum degree 2 has a realization that admits a nowhere-zero 4-flow. This result implies a conjecture ...
Rong Luo, Wenan Zang, Cun-Quan Zhang
LATIN
2000
Springer
13 years 11 months ago
Approximation Algorithms for Flexible Job Shop Problems
The Flexible Job Shop problem is a generalization of the classical job shop scheduling problem in which for every operation there is a group of machines that can process it. The p...
Klaus Jansen, Monaldo Mastrolilli, Roberto Solis-O...
IV
2000
IEEE
94views Visualization» more  IV 2000»
13 years 12 months ago
Character Recognition of Arabic and Latin Scripts
The goal to produce effective Optical Character Recognition (OCR) methods has lead to the development of a number of algorithms. The purpose of these is to take the hand-written o...
Fiaz Hussain, John Cowell
COMBINATORICS
2000
91views more  COMBINATORICS 2000»
13 years 7 months ago
A Construction Method for Complete Sets of Mutually Orthogonal Frequency Squares
A construction is described for combining affine designs with complete sets of mutually orthogonal frequency squares to produce other complete sets. Key words: Matrices, orthogona...
Vassili C. Mavron
DM
2000
111views more  DM 2000»
13 years 7 months ago
Representations of graphs modulo n
A graph is said to be representable modulo n if its vertices can be labelled with distinct integers between 0 and n - 1 inclusive such that two vertices are adjacent if and only i...
Anthony B. Evans, Garth Isaak, Darren A. Narayan