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Una evidencia robusta de que el algoritmo DES fortalecido con una permutación inicial variable es eficiente

By using the JV Theorem, it is possible to associate a number of size 10 89 to a 64 position permutation in 63 steps. This result has been applied to strengthening the DES algorithm by using a variable initial permutation, increasing the computational complexity of the algorithm, given that each permutation works as a key. However, it still remains to be seen how the variable initial permutatio...

Beethoven (Muss es sein? Es muss sein!)

"The child is father of the man" is the philosophy of the paediatrician, hence the recent trend of intense interest in child development, which embraces the study of factors which influence the growth of the body, mind, personality and spirit from conception to maturity and ultimate achievement. As practitioners of medicine it is natural that much of our effort should be used in the diagnosis a...

Un Algorithme Des Moindres Carr Es a Fenêtre Glissante

Nous pr esentons un nouvel algorithme des moindres carr es r ecursif (RLS): le GSW RLS. Cet algorithme utilise une fenêtre g en eralis ee constitu ee d'une fenêtre exponentielle pour les L donn ees les plus r ecentes puis d'une fenêtre exponentielle de même facteur d'oubli mais att enu ee pour le reste des donn ees. Nous donnons l'analyse asymptotique au second ordre pour deux types de variatio...

Recurrencia en hernia inguinal. ¿Qué significa? ¿Es un problema semántico? ¿Es problema de lenguaje e interpretación? ¿Es el error del milenio?

Objective: To demonstrate that the term “recurrence” is wrongly applied in the inguinocrural area in relation to the type of hernia according to the existing classifications; to propose a universal definition and criterion to denominate the real recurrence of inguinocrural hernia. Setting: Private health care institution. Design: Descriptive and observational study without control group. An int...

Upwinding Sour es at Interfa es in onservation laws