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» On Lengths of Rainbow Cycles
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VTS
2000
IEEE
99views Hardware» more  VTS 2000»
14 years 2 months ago
Virtual Scan Chains: A Means for Reducing Scan Length in Cores
A novel design-for-test (DFT) technique is presented for designing a core with a “virtual scan chain” which looks (to the system integrator) like it is shorter than the real s...
Abhijit Jas, Bahram Pouya, Nur A. Touba
EJC
2006
13 years 9 months ago
Hamiltonicity of digraphs for universal cycles of permutations
The digraphs P(n, k) have vertices corresponding to length k permutations of an n set and arcs corresponding to (k + 1) permutations. Answering a question of Starling, Klerlein, K...
Garth Isaak
APPROX
2008
Springer
142views Algorithms» more  APPROX 2008»
13 years 11 months ago
Approximating Maximum Subgraphs without Short Cycles
We study approximation algorithms, integrality gaps, and hardness of approximation, of two problems related to cycles of "small" length k in a given graph. The instance f...
Guy Kortsarz, Michael Langberg, Zeev Nutov
JCT
2010
112views more  JCT 2010»
13 years 8 months ago
Annular embeddings of permutations for arbitrary genus
In the symmetric group on a set of size 2n, let P2n denote the conjugacy class of involutions with no fixed points (equivalently, we refer to these as “pairings”, since each ...
I. P. Goulden, William Slofstra
AES
2004
Springer
142views Cryptology» more  AES 2004»
14 years 3 months ago
Complementation-Like and Cyclic Properties of AES Round Functions
Abstract. While it is known previously that the cycle lengths of individual components of the AES round function are very small, we demonstrate here that the cycle length of the S-...
Tri Van Le, Rüdiger Sparr, Ralph Wernsdorf, Y...