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Binary Codes Based on Non-Negative Matrix Factorization for Clustering and Retrieval

open access: yesIEEE Access, 2020
Traditional non-negative matrix factorization methods cannot learn the subspace from the high-dimensional data space composed of binary codes. One hopes to discover a compact parts-based representation composed of binary codes, which can uncover the ...
Jiang Xiong   +3 more
doaj   +1 more source

Lattice Points on the Fermat Factorization Method

open access: yesJournal of Mathematics, 2022
In this paper, we study algebraic properties of lattice points of the arc on the conics x2−dy2=N especially for d=1, which is the Fermat factorization equation that is the main idea of many important factorization methods like the quadratic field sieve ...
Regis Freguin Babindamana   +2 more
doaj   +1 more source

On the factorization of integrers [PDF]

open access: yesProceedings of the American Mathematical Society, 1970
The order of magnitude of the average of the exponents in the canonical factorization of an integer is discussed. In particular, it is shown that this average has normal order one and a result which implies that the average order is one is also derived.
openaire   +2 more sources

Factoring Large Integers [PDF]

open access: yesMathematics of Computation, 1974
A modification of Fermat’s difference of squares method is used for factoring large integers. This modification permits factoring n in O ( n 1 / 3 ) O({n^{1/3}}) elementary operations,
openaire   +2 more sources

On the factorization of consecutive integers [PDF]

open access: yesJournal für die reine und angewandte Mathematik (Crelles Journal), 2009
A classical result of Sylvester [21] (see also [16], [17]), generalizing Bertrand’s Postulate, states that the greatest prime divisor of a product of k consecutive integers greater than k exceeds k. More recent work in this vein, well surveyed in [18], has focussed on sharpening Sylvester’s theorem, or upon providing lower bounds for the number of ...
Michael Filaseta   +2 more
openaire   +2 more sources

Integer Factorization – Cryptology Meets Number Theory

open access: yesScientific Journal of Gdynia Maritime University, 2019
Integer factorization is one of the oldest mathematical problems. Initially, the interest in factorization was motivated by curiosity about be­haviour of prime numbers, which are the basic building blocks of all other integers.
Josef Pieprzyk
doaj   +1 more source

On the Number of Factorizations of an Integer [PDF]

open access: yesIntegers, 2011
AbstractLet ƒ(
Florian Luca   +1 more
openaire   +2 more sources

A babystep-giantstep method for faster deterministic integer factorization [PDF]

open access: yesMathematics of Computation, 2016
In 1977, Strassen presented a deterministic and rigorous algorithm for solving the problem of computing the prime factorization of natural numbers $N$. His method is based on fast polynomial arithmetic techniques and runs in time $\widetilde{O}(N^{1/4})$,
Markus Hittmeir
semanticscholar   +1 more source

The factor-difference set of integers [PDF]

open access: yesActa Arithmetica, 1997
The set \(D(n) = \{d:\;d=| a-b| ,\;n=ab\} = \{d_0 < d_1 < \cdots 0\) there are \(k\) distinct integers \(N_1 < N_2 < \cdots
Paul Erdős, Moshe Rosenfeld
openaire   +2 more sources

Localized factorizations of integers [PDF]

open access: yesProceedings of the London Mathematical Society, 2010
34 pages. Added reference [10] to a paper of Nair and Tenenbaum which contains a result similar to Lemma 2.2 and which appeared prior to the publication of this paper. Simplified the proof of Lemma 2.2 using ideas from [10]. Removed part (a) of Lemma 2.2, as it is now redundant.
openaire   +4 more sources

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