sieving technique

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• Lattice sieving — is a technique for finding smooth values of a bivariate polynomial f(a,b) over a large region. It is almost exclusively used in connection with the number field sieve.The algorithm implicitly involves the ideal structure of the number field of… …   Wikipedia

• Sieve analysis — A sieve analysis is a practice or procedure used to assess the particle size distribution of a granular material. The size distribution is often of critical importance to the way the material performs in use. A sieve analysis can be performed on… …   Wikipedia

• Quadratic sieve — The quadratic sieve algorithm (QS) is a modern integer factorization algorithm and, in practice, the second fastest method known (after the general number field sieve). It is still the fastest for integers under 100 decimal digits or so, and is… …   Wikipedia

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• Hashish — (from Arabic: ar. حشيش ArabDIN|ḥashīsh , lit. grass ; also hash) is a preparation of cannabis composed of the compressed trichomes collected from the cannabis plant. It contains the same active ingredients but in higher concentrations than other… …   Wikipedia