7055 search results - page 1 / 1411 » Some New 4-Designs |
ARSCOM
2004
13 years 4 months ago
2004
The existence question for the family of 4-(15, 5, ) designs has long been answered for all values of except = 2. Here, we resolve this last undecided case and prove that 4-(15, ...
COMBINATORICS
1999
13 years 4 months ago
1999
In this article we use two different methods to find new lower bounds for some multicolored Ramsey numbers. In the first part we use the finite field method used by Greenwood and ...
COMBINATORICS
1998
13 years 4 months ago
1998
New lower bounds for 15 classical Ramsey numbers are established. Several of the colorings are found using a new variation of local search heuristics. Several others are found usi...
JSC
2010
13 years 3 months ago
2010
We describe an algorithm for computing automorphism groups and testing isomorphisms of finite dimensional Lie algebras over finite fields. The algorithm is particularly effect...
TIT
2002
13 years 4 months ago
2002
