Results 1 to 10 of about 2,083 (203)

Probabilistic Galois theory [PDF]

open access: greenBulletin of the London Mathematical Society, 2012
We show that there are at most $O_{n, }(H^{n-2+\sqrt{2}+ })$ monic integer polynomials of degree $n$ having height at most $H$ and Galois group different from the full symmetric group $S_n$, improving on the previous 1973 world record $O_{n}(H^{n-1/2}\log H)$.
Rainer Dietmann
openaire   +4 more sources

A Novel Cipher-Based Data Encryption with Galois Field Theory [PDF]

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   +2 more sources

Skew-Forms and Galois Theory

open access: diamondComptes Rendus. Mathématique
Let $L/K$ be a cyclic extension of degree $n = 2m$. It is known that the space $\mathrm{Alt}_K(L)$ of alternating $K$-bilinear forms (skew-forms) on $L$ decomposes into a direct sum of $K$-subspaces $A^{\sigma ^i}$ indexed by the elements of $\mathrm{Gal}
Gupta, Ashish, Mandal, Sugata
doaj   +2 more sources

Applications of the Projective Space PG (3,8) in Coding Theory [PDF]

open access: yesمجلة التربية والعلم, 2023
The main objective of this research is to present the relationship between the subject of coding theory and three-dimensional projection space in the eighth field.
Marwa Almstufa, Nada Yahya
doaj   +1 more source

Two New Classes of Codebooks Asymptotically Achieving the Welch Bound

open access: yesIEEE Access, 2021
Exponential sums over Galois rings have many applications in coding theory, cryptography and algebraic combinatorics. In this article, we employ additive characters and multiplicative characters over Galois rings to present two classes of codebooks, and ...
Shimin Sun, Li Han, Yang Yan, Yao Yao
doaj   +1 more source

Galois orbits of TQFTs: symmetries and unitarity

open access: yesJournal of High Energy Physics, 2022
We study Galois actions on 2+1D topological quantum field theories (TQFTs), characterizing their interplay with theory factorization, gauging, the structure of gapped boundaries and dualities, 0-form symmetries, 1-form symmetries, and 2-groups.
Matthew Buican, Rajath Radhakrishnan
doaj   +1 more source

Sur l'existence du sch\'ema en groupes fondametal [PDF]

open access: yesÉpijournal de Géométrie Algébrique, 2020
Let $S$ be a Dedekind scheme, $X$ a connected $S$-scheme locally of finite type and $x\in X(S)$ a section. The aim of the present paper is to establish the existence of the fundamental group scheme of $X$, when $X$ has reduced fibers or when $X$ is ...
Marco Antei   +2 more
doaj   +1 more source

Remarks on abstract Galois theory

open access: yesManuscrito, 2011
This paper is a historical companion to a previous one, in which it was studied the so-called abstract Galois theory as formulated by the Portuguese mathematician José Sebastião e Silva (see da Costa, Rodrigues (2007)).
Newton C. A. da Costa, Otávio Bueno
doaj   +1 more source

An Efficient Audio Encryption Scheme Based on Finite Fields

open access: yesIEEE Access, 2021
Finite fields are well-studied algebraic structures with enormous efficient properties which have applications in the fields of cryptology and coding theory.
Dawood Shah   +5 more
doaj   +1 more source

Models of abstract and real systems based on broken symmetry group [PDF]

open access: yesE3S Web of Conferences, 2020
This article shows that symmetry groups as well as broken symmetry groups in natural and abstract mathematical may be used as models of development and evolution objects while describing the states and transformations of such systems.
Gorshkov K.A.   +3 more
doaj   +1 more source

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