Displaying similar documents to “Corrección a Una nota sobre el teorema de Krein.”

Estudio de algunas secuencias pseudoaleatorias de aplicación criptográfica.

P. Caballero Gil, A. Fúster Sabater (1998)

Revista Matemática Complutense

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Pseudorandom binary sequences are required in stream ciphers and other applications of modern communication systems. In the first case it is essential that the sequences be unpredictable. The linear complexity of a sequence is the amount of it required to define the remainder. This work addresses the problem of the analysis and computation of the linear complexity of certain pseudorandom binary sequences. Finally we conclude some characteristics of the nonlinear function that produces...

Sobre el parámetro complejidad lineal y los filtros no lineales de segundo orden.

Amparo Fúster Sabater, Luis J. García Villalba (2000)

Revista Matemática Complutense

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A new method of analysing the linear complexity of 2nd-order nonlinear filterings of m-sequences that is based on the concept of regular coset is present. The procedure considers any value of the LFSR's length, L, (prime or composite number). Emphasis is on the geometric interpretation of the regular cosets which produce degeneracies in the linear complexity of the filtered sequence. Numerical expressions to compute the linear complexity of such sequences are given as well as practical...

Regresión espectral sesgada.

Fernando Tusell Palmer (1988)

Trabajos de Estadística

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Se propone un método de regresión espectral adecuado cuando los regresores tienen potencia espectral despreciable sobre bandas de frecuencia estrechas. Se investiga la relación entre el método propuesto y los procedimientos de regresión sesgada habituales en el dominio del tiempo.