Results 21 to 30 of about 5,376,358 (214)

A Novel Cipher-Based Data Encryption with Galois Field Theory

open access: yesSensors, 2023
Both the act of keeping information secret and the research on how to achieve it are included in the broad category of cryptography. When people refer to “information security,” they are referring to the study and use of methods that make data transfers ...
Mohammad Mazyad Hazzazi   +3 more
doaj   +1 more source

DIFFERENTIAL GALOIS THEORY AND INTEGRABILITY [PDF]

open access: yesInternational Journal of Geometric Methods in Modern Physics, 2009
This paper is an overview of our works that are related to investigations of the integrability of natural Hamiltonian systems with homogeneous potentials and Newton's equations with homogeneous velocity independent forces. The two types of integrability obstructions for these systems are presented.
Maciejewski, Andrzej J.   +1 more
openaire   +3 more sources

DIFFERENTIATION OF POLYNOMIALS IN SEVERAL VARIABLES OVER GALOIS FIELDS OF FUZZY CARDINALITY AND APPLICATIONS TO REED-MULLER CODES

open access: yesAdvanced Engineering Research, 2018
Introduction. Polynomials in several variables over Galois fields provide the basis for the Reed-Muller coding theory, and are also used  in a number of cryptographic problems.
V. M. Deundyak, N. S. Mogilevskaya
doaj   +1 more source

Pre-Galois theory

open access: yesOsaka Journal of Mathematics, 2019
31 pages; expanded some explanations and added a new Remark 2.8(b) and Example 3 ...
Harbater, David, Dèbes, Pierre
openaire   +4 more sources

A History of Selected Topics in Categorical Algebra I: From Galois Theory to Abstract Commutators and Internal Groupoids [PDF]

open access: yesCategories and General Algebraic Structures with Applications, 2016
This paper is a chronological survey, with no proofs, of a direction in categorical algebra, which is based on categorical Galois theory and involves generalized central extensions, commutators, and internal groupoids in Barr exact Mal’tsev and more ...
George Janelidze
doaj  

Practice of the Incomplete $p$-Ramification Over a Number Field -- History of Abelian $p$-Ramification

open access: yesCommunications in Advanced Mathematical Sciences, 2019
The theory of $p$-ramification, regarding the Galois group of the maximal pro-$p$-extension of a number field $K$, unramified outside $p$ and $\infty$, is well known including numerical experiments with PARI/GP programs.
Georges Gras
doaj   +1 more source

Four-Fold Formal Concept Analysis Based on Complete Idempotent Semifields

open access: yesMathematics, 2021
Formal Concept Analysis (FCA) is a well-known supervised boolean data-mining technique rooted in Lattice and Order Theory, that has several extensions to, e.g., fuzzy and idempotent semirings.
Francisco José Valverde-Albacete   +1 more
doaj   +1 more source

DEFORMATION CONDITIONS FOR PSEUDOREPRESENTATIONS

open access: yesForum of Mathematics, Sigma, 2019
Given a property of representations satisfying a basic stability condition, Ramakrishna developed a variant of Mazur’s Galois deformation theory for representations with that property.
PRESTON WAKE, CARL WANG-ERICKSON
doaj   +1 more source

On the Galois Theory of Grothendieck

open access: yes, 2000
In this paper we deal with Grothendieck's interpretation of Artin's interpretation of Galois's Galois Theory (and its natural relation with the fundamental group and the theory of coverings) as he developed it in Expose V, section 4, ``Conditions axiomatiques d'une theorie de Galois'' in the SGA1 1960/61.
Dubuc, Eduardo J.   +1 more
openaire   +3 more sources

Global Solvably Closed Anabelian Geometry [PDF]

open access: yes, 2006
In this paper, we study the pro-Σ anabelian geometry of hyperbolic curves, where Σ is a nonempty set of prime numbers, over Galois groups of “solvably closed extensions” of number fields — i.e., infinite extensions of number fields which have ...
Mochizuki, Shinichi
core   +1 more source

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