Results 11 to 20 of about 114 (107)

PKCHD: Towards a Probabilistic Knapsack Public-Key Cryptosystem with High Density

open access: yesInformation, 2019
By introducing an easy knapsack-type problem, a probabilistic knapsack-type public key cryptosystem (PKCHD) is proposed. It uses a Chinese remainder theorem to disguise the easy knapsack sequence. Thence, to recover the trapdoor information, the implicit
Yuan Ping   +4 more
doaj   +1 more source

ON THE LITTLEWOOD CONJECTURE IN SIMULTANEOUS DIOPHANTINE APPROXIMATION [PDF]

open access: yesJournal of the London Mathematical Society, 2006
For any given real number $α$ with bounded partial quotients, we construct explicitly continuum many real numbers $β$ with bounded partial quotients for which the pair $(α, β)$ satisfies a strong form of the Littlewood conjecture. Our proof is elementary and rests on the basic theory of continued fractions.
Adamczewski, Boris, Bugeaud, Yann
openaire   +2 more sources

Simultaneous diophantine approximation [PDF]

open access: yesBulletin of the Australian Mathematical Society, 1972
AbstractUsing a method suggested by E. S. Barnes, it is shown that the simultaneous inequalities r(p — αr)2 < c, r(q — βr)2 < c have an infinity of integral solutions p, q, r (with r > 0), for arbitrary irrationals α and β, provided that c > 1/2.6394.
openaire   +3 more sources

New Cryptanalytic Attack on RSA Modulus N = pq Using Small Prime Difference Method

open access: yesCryptography, 2018
This paper presents new short decryption exponent attacks on RSA, which successfully leads to the factorization of RSA modulus N = p q in polynomial time. The paper has two parts.
Muhammad Rezal Kamel Ariffin   +3 more
doaj   +1 more source

Successful cryptanalysis on RSA type modulus N=p2q

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
As internet technology advances and our interactions increasingly take place online, cryptography emerges as a valuable tool to address security concerns. Cryptography serves as a means to guarantee the protection of privacy and confidential information,
Normahirah Nek Abd Rahman
doaj   +1 more source

On simultaneous inhomogeneous Diophantine approximation [PDF]

open access: yesActa Arithmetica, 2006
In this paper, the authors study inhomogeneous problems in metrical Diophantine approximation. For a tuple \(\underline{\alpha} = (\alpha_1, \dots, \alpha_k) \in {\mathbb R}^k\) and real numbers \(v,w>0\), let \({\mathcal V}_v(\underline{\alpha})\) denote the set of \(\xi \in {\mathbb R}\) for which there is a \(c > 0\) such that the inequality ...
Bugeaud, Yann, Chevallier, Nicolas
openaire   +3 more sources

On a problem in simultaneous Diophantine approximation: Schmidt's conjecture [PDF]

open access: yesAnnals of Mathematics, 2011
For any $i,j \ge 0$ with $i+j =1$, let $\bad(i,j)$ denote the set of points $(x,y) \in \R^2$ for which $ \max \{\|qx\|^{1/i}, \|qy\|^{1/j} \} > c/q $ for all $ q \in \N $. Here $c = c(x,y)$ is a positive constant. Our main result implies that any finite intersection of such sets has full dimension. This settles a conjecture of Wolfgang M. Schmidt in
Badziahin, Dzmitry   +2 more
openaire   +4 more sources

Fourier Expansion‐Based Approach to the Parameter Space of Classical Systems

open access: yesAnnalen der Physik, Volume 538, Issue 7, July 2026.
ABSTRACT We propose a new approach to compute the classical metric tensor (CMT) and the Hannay curvature using Fourier series expansions in action‐angle variables. This approach circumvents the need for complex time‐domain integrals or the construction of generating functions, replacing them with algebraic combinations of Fourier coefficients. We prove
Marcos J. Hernández   +3 more
wiley   +1 more source

Bipolar q‐Fractional Fuzzy Aggregation Operators for Multi‐Criteria Decision‐Making in Optimal Renewable Energy Selection

open access: yesEnergy Science &Engineering, Volume 14, Issue 7, Page 3250-3271, July 2026.
This study introduces bipolar q‐fractional fuzzy sets and new aggregation operators to support renewable energy selection under uncertainty. The proposed decision‐making framework effectively integrates positive and negative evaluations, ensuring consistent ranking and robust performance, as demonstrated through practical analysis and comparative ...
Sagvan Y. Musa   +3 more
wiley   +1 more source

Liminf Sets in Simultaneous Diophantine Approximation [PDF]

open access: yesJournal de théorie des nombres de Bordeaux, 2017
Let 𝒬 be an infinite set of positive integers. Denote by W τ ,
openaire   +6 more sources

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