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Mathematics

CM

[Communications in Mathematics]

CM

Communications in Mathematics

Communications in Mathematics—created in 2009—is the continuation of the journal Acta Mathematica et Informatica Universitatis Ostraviensis, founded in 1993, which became Acta Mathematica Universitatis Ostraviensis in 2003. Communications in Mathematics publishes research and review articles in English in all areas of pure and applied mathematics, mathematical physics and computer science.

  • Director of publication: Jan Lata
  • Editor-in-chief: Ivan Kaygorodov
  • Medium: electronic
  • Frequency: annual
  • Date created: 2009
  • Date of publication on Episciences: 2021
  • eISSN: 2336-1298
  • Subjects: mathematics
  • Languages of publication: English
  • Review process: single blind peer review
  • CC BY-SA 4.0 licence
  • Publisher: University of Ostrava
    • Address: Dvořákova 7, 701 03 Ostrava
    • Country: Czech Republic
  • Contact: cm AT episciences.org
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Latest articles

Relaxation in one-dimensional tropical sandpile

A relaxation in the tropical sandpile model is a process of deforming a tropical hypersurface towards a finite collection of points. We show that, in the one-dimensional case, a relaxation terminates after a finite number of steps. We present experimental evidence suggesting that the number of such steps obeys a power law.
Shkolnikov, Mikhail
September 26, 2023
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Solvable Leibniz superalgebras whose nilradical has the characteristic sequence $(n-1, 1 \mid m)$ and nilindex $n+m$

Leibniz superalgebras with nilindex $n + m$ and characteristic sequence $(n-1, 1 \ | \ m)$ divided into four parametric classes that contain a set of non-isomorphic superalgebras. In this paper, we give a complete classification of solvable Leibniz superalgebras whose nilradical is a nilpotent Leibniz superalgebra with nilindex $n + m$ and characteristic sequence $(n-1, 1 \ | \ m)$. We obtain a condition for the value of parameters of the classes of such nilpotent superalgebras for which they have a solvable extension. Moreover, the classification of solvable Leibniz superalgebras whose nilradical is a Lie superalgebra with the maximal nilindex is given.
Kh., Khudoyberdiyev A.
September 20, 2023
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Social Sciences and Humanities

CST

[Les Cahiers Scientifiques du Transport]

CST

Les Cahiers Scientifiques du Transport

Created in 1979, the Cahiers Scientifiques du Transport/Scientific Papers in Transportation publishes biannual varia or thematic issues of articles on the field of transport, mobility and logistics. Supported by the French Association of Transport and Logistics Institutes (AFITL), the journal highlights the disciplinary diversity of the contributions.

  • Director of publication: Antoine Frémont
  • Editor-in-chief: Laurent Carnis
  • Medium: electronic
  • Frequency: biannual
  • Date created: 1979
  • Date of publication on Episciences: 2022
  • eISSN: 1150-8809
  • Subjects: development, engineering, management sciences, political science, urbanism
  • Language of publication: French
  • Review process: single blind peer review
  • CC BY 4.0 licence
  • Publisher: Association française des instituts de transport et de logistique (AFITL)
    • Address: MSH Lyon Saint-Étienne, 14 avenue Berthelot, 69363 Lyon Cedex 07
    • Country: France
  • Contact: cst AT episciences.org
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Latest articles

Transport maritime de marchandises : la construction d’un système juridique complexe dépassant le mythe de l’uniformité

Dans la mesure où le transport maritime de marchandises implique divers types d'opérateurs commerciaux internationaux, l'uniformité de la règlementation applicable semble être le meilleur moyen de satisfaire aux exigences de sécurité de ces différents acteurs. Il est donc nécessaire de se demander si cet idéal d’uniformisation du droit du transport maritime de marchandises tenté par les États est atteignable voire même souhaitable ou s’il ne faut pas constater en la matière que les opérateurs du transport international maritime de marchandises, loin d’être pénalisés par le conflit de normes applicables, n’y trouvent pas la souplesse nécessaire pour adapter le cadre juridique à leur propre contrat de transport ?
Branellec, Gurvan
September 08, 2023
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Communication en matière de sécurité routière et comportement des usagers de la route : le rôle du risque perçu

L’objectif de cet article est de montrer dans quelle mesure la communication en sécurité routière influe sur le comportement des usagers de la route. Pour atteindre cet objectif, nous avons collecté les données à partir d’une enquête par questionnaire sur une période de cinq mois, de février à juin 2019. Ces données ont fait l’objet d’une analyse factorielle exploratoire et d’une analyse factorielle confirmatoire ; des équations structurelles ont également été mobilisées pour tester les hypothèses que nous nous sommes fixées. Les résultats montrent que la communication a un effet direct sur le comportement des usagers de la route ; elle influe sur la perception du risque corporel, mais ce dernier n’a pas d’effet sur le comportement ; la communication n’influe pas sur la perception du risque matériel qui pour sa part a un effet sur le comportement. Les résultats montrent également que la force du lien entre ces variables dépend de la ville de résidence de l’usager, de sa nature et de son âge.
Nkene Ndeme, Richard
June 23, 2023
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Informatics and Applied Mathematics

ENTICS

[Electronic Notes in Theoretical Informatics and Computer Science]

ENTICS

Electronic Notes in Theoretical Informatics and Computer Science

ENTICS—Electronic Notes in Theoretical Informatics and Computer Science—publishes proceedings of conferences and workshops in English that include significant theoretical advances in computer science and theoretical informatics.

  • Director of publication: Bruno Sportisse
  • Editor-in-chief: Michael Mislove
  • Medium: electronic
  • Frequency: continuous
  • Date created: 2022
  • Date of publication on Episciences: 2023
  • eISSN: 2969-2431
  • Subjects: computer science, theoretical informatics
  • Language of publication: English
  • Review process: single blind peer review
  • CC BY 4.0 licence
  • Publisher: Inria
    • Address: Domaine de Voluceau Rocquencourt – B.P. 105 78153 Le Chesnay Cedex
    • Country: France
  • Contact: entics AT episciences.org
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Latest articles

The sheaf representation of residuated lattices

The residuated lattices form one of the most important algebras of fuzzy logics and have been heavily studied by people from various different points of view. Sheaf presentations provide a topological approach to many algebraic structures. In this paper, we study the topological properties of prime spectrum of residuated lattices, and then construct a sheaf space to obtain a sheaf representation for each residuated lattice.
Zhang, Huarong
March 21, 2023
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A Hofmann-Mislove theorem for $c$-well-filtered spaces

The Hofmann-Mislove theorem states that in a sober space, the nonempty Scott open filters of its open set lattice correspond bijectively to its compacts saturated sets. In this paper, the concept of $c$-well-filtered spaces is introduced. We show that a retract of a $c$-well-filtered space is $c$-well-filtered and a locally Lindel\"{o}f and $c$-well-filtered $P$-space is countably sober. In particular, we obtain a Hofmann-Mislove theorem for $c$-well-filtered spaces.
Zhang, Liping
March 21, 2023
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