discrete variation - definição. O que é discrete variation. Significado, conceito
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O que (quem) é discrete variation - definição

PROBLEM OF INVERTING EXPONENTIATION IN FINITE GROUPS
Discrete log problem; Discrete logarithm problem; Discrete logarithms; Discrete log; GDLP; Generalized discrete logarithm problem; Discrete Logarithm; Discrete Log; Discrete logorithm; Discrete logarithm assumption; DLOG; Discrete logarithm cryptography; Discrete Logarithm Problem (DLP); Discrete Logarithm Problem; Index (number theory)

variation         
WIKIMEDIA DISAMBIGUATION PAGE
Variations; Varied; Varying; Variation (disambiguation); Viccitude; Variations (album); Variation (combinatorics); Variations (Combinatorics); Variation (Combinatorics)
¦ noun
1. a change or slight difference in condition, amount, or level.
(also magnetic variation) the angular difference between true north and magnetic north at a particular place.
2. a different or distinct form or version.
Music a new but still recognizable version of a theme.
Ballet a solo dance as part of a performance.
Derivatives
variational adjective
varied         
WIKIMEDIA DISAMBIGUATION PAGE
Variations; Varied; Varying; Variation (disambiguation); Viccitude; Variations (album); Variation (combinatorics); Variations (Combinatorics); Variation (Combinatorics)
¦ adjective incorporating a number of different types or elements; showing variation or variety.
Derivatives
variedly adverb
variation         
WIKIMEDIA DISAMBIGUATION PAGE
Variations; Varied; Varying; Variation (disambiguation); Viccitude; Variations (album); Variation (combinatorics); Variations (Combinatorics); Variation (Combinatorics)
(variations)
1.
A variation on something is the same thing presented in a slightly different form.
This delicious variation on an omelette is quick and easy to prepare...
N-COUNT: usu N on n
2.
A variation is a change or slight difference in a level, amount, or quantity.
The survey found a wide variation in the prices charged for canteen food...
Every day without variation my grandfather ate a plate of cold ham.
N-VAR

Wikipédia

Discrete logarithm

In mathematics, for given real numbers a and b, the logarithm logba is a number x such that bx = a. Analogously, in any group G, powers bk can be defined for all integers k, and the discrete logarithm logba is an integer k such that bk = a. In number theory, the more commonly used term is index: we can write x = indr a (mod m) (read "the index of a to the base r modulo m") for rxa (mod m) if r is a primitive root of m and gcd(a,m) = 1.

Discrete logarithms are quickly computable in a few special cases. However, no efficient method is known for computing them in general. Several important algorithms in public-key cryptography, such as ElGamal base their security on the assumption that the discrete logarithm problem over carefully chosen groups has no efficient solution.