Sciweavers

175 search results - page 17 / 35
» Bounds for Permutation Rate-Distortion
Sort
View
89
Voted
COMBINATORICS
2004
61views more  COMBINATORICS 2004»
15 years 3 months ago
Improved Bounds on the Length of Maximal Abelian Square-free Words
A word is abelian square-free if it does not contain two adjacent subwords which are permutations of each other. Over an alphabet k on k letters, an abelian squarefree word is max...
Evan M. Bullock
101
Voted
JCT
2008
67views more  JCT 2008»
15 years 3 months ago
On the number of directions determined by a pair of functions over a prime field
A three-dimensional analogue of the classical direction problem is proposed and an asymptotically sharp bound for the number of directions determined by a nonplanar set in AG(3, p)...
Simeon Ball, András Gács, Pét...
133
Voted
COCO
2010
Springer
149views Algorithms» more  COCO 2010»
15 years 5 months ago
Trade-Off Lower Bounds for Stack Machines
—A space bounded Stack Machine is a regular Turing Machine with a read-only input tape, several space bounded read-write work tapes, and an unbounded stack. Stack Machines with a...
Matei David, Periklis A. Papakonstantinou
145
Voted
ICC
2007
IEEE
185views Communications» more  ICC 2007»
15 years 10 months ago
Maximal Lifetime Rate and Power Allocation for Sensor Networks with Data Distortion Constraints
— We address a lifetime maximization problem for a single-hop wireless sensor network where multiple sensors encode and communicate their measurements of a Gaussian random source...
James C. F. Li, Subhrakanti Dey, Jamie S. Evans
131
Voted
AB
2007
Springer
15 years 7 months ago
Prefix Reversals on Binary and Ternary Strings
Given a permutation , the application of prefix reversal f(i) to reverses the order of the first i elements of . The problem of Sorting By Prefix Reversals (also known as pancake ...
Cor A. J. Hurkens, Leo van Iersel, Judith Keijsper...