68 search results - page 7 / 14 » Cross-intersecting families of permutations |
CRYPTO
2011
Springer
12 years 7 months ago
2011
Springer
RFID security is currently one of the major challenges cryptography has to face, often solved by protocols assuming that an on-tag hash function is available. In this article we pr...
JCT
2011
13 years 2 months ago
2011
Bona [6] studied the distribution of ascents, plateaux and descents in the class of Stirling permutations, introduced by Gessel and Stanley [14]. Recently, Janson [18] showed the c...
TIT
2010
13 years 2 months ago
2010
We determine that exponential Welch permutations lead in general to the smallest maximal frequency hops among all Costas permutations, and are also relatively easy to study, as a ...
JCT
2011
13 years 2 months ago
2011
The Baxter number Bn can be written as Bn = n k=0 Θk,n−k−1 with Θk,ℓ = 2 (k + 1)2 (k + 2) k + ℓ k k + ℓ + 1 k k + ℓ + 2 k . These numbers have first appeared in the...
DCC
2011
IEEE
12 years 11 months ago
2011
IEEE
