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DLT
2010
13 years 10 months ago
Minimization of Deterministic Bottom-Up Tree Transducers
We show that for every deterministic bottom-up tree transducer, a unique equivalent transducer can be constructed which is minimal. The construction is based on a sequence of norma...
Sylvia Friese, Helmut Seidl, Sebastian Maneth
JC
2008
68views more  JC 2008»
13 years 10 months ago
On the number of minima of a random polynomial
We give an upper bound in O(d(n+1)/2 ) for the number of critical points of a normal random polynomial. The number of minima (resp. maxima) is in O(d(n+1)/2 )Pn, where Pn is the (...
Jean-Pierre Dedieu, Gregorio Malajovich
AAECC
2009
Springer
136views Algorithms» more  AAECC 2009»
14 years 4 months ago
There Are Not Non-obvious Cyclic Affine-invariant Codes
We show that an affine-invariant code C of length pm is not permutation equivalent to a cyclic code except in the obvious cases: m = 1 or C is either {0}, the repetition code or it...
José Joaquín Bernal, Ángel de...
ICVGIP
2004
13 years 11 months ago
Efficient Identification Based on Human Iris Patterns
This paper proposes a person identification system (PID), which works with non-illumination low-resolution eye images. Radial-Scan and threshold methods are used for Iris normaliz...
A. Chitra, R. Bremananth
ICC
2009
IEEE
166views Communications» more  ICC 2009»
14 years 4 months ago
A Cross-Layer Perspective on Rateless Coding for Wireless Channels
Abstract—Rateless coding ensures reliability by providing everincreasing redundancy, traditionally at the packet level (i.e. the application layer) through erasure coding. This p...
Thomas A. Courtade, Richard D. Wesel