Results 61 to 70 of about 77,893 (200)

Semi-galois Categories II: An arithmetic analogue of Christol's theorem

open access: yes, 2018
In connection with our previous work on semi-galois categories, this paper proves an arithmetic analogue of Christol's theorem concerning an automata-theoretic characterization of when a formal power series over finite field is algebraic over the ...
Uramoto, Takeo
core   +1 more source

Exploring When Maternal Interest is Sufficient for High Attainment in Mathematics: A Configurational Analysis Using Longitudinal Data

open access: yesMethodological Innovations, 2011
Qualitative Comparative Analysis (QCA) is a case-based method, developed by Ragin (1987, 2000), to analyse medium-and large-n datasets. It uses Boolean algebra to show which configurations of factors in a model are either necessary and/or sufficient for ...
Stephanie Thomson
doaj   +1 more source

Quantum Harmonic Oscillator as a Zariski Geometry

open access: yes, 2013
We carry out a model-theoretic analysis of the Heisenberg algebra. To this end, a geometric structure is associated to the Heisenberg algebra and is shown to be a Zariski geometry.
Solanki, Vinesh   +2 more
core  

Recent developments around partial actions

open access: yes, 2018
We give an overview of publications on partial actions and related concepts, paying main attention to some recent developments.Comment: New bibliography added and ...
Dokuchaev, Mikhailo
core   +1 more source

Mathematical model of “dialectical logic”, and relatively autonomous cognitive robots

open access: yesАнтиномии, 2019
The object of investigation is the notorious problem of “dialectical-logic”, and its relevance to constructing relatively autonomous cognitive robots. The subjectmatter is formal axiological aspect of the mentioned object.
Vladimir O. Lobovikov
doaj   +1 more source

Equivariant formality of istropy actions

open access: yes, 2018
Let $G$ be a compact connected Lie group and $K$ a connected Lie subgroup. In this paper, we collect an assortment of results on equivariant formality of the isotropy action of $K$ on $G/K$ and thus improving those from previous work. We show that if the
Carlson, Jeffrey D., Fok, Chi-Kwong
core   +1 more source

Formal Semantics: Origins, Issues, Early Impact

open access: yesThe Baltic International Yearbook of Cognition, Logic and Communication, 2010
Formal semantics and pragmatics as they have developed since the late 1960's have been shaped by fruitful interdisciplinary collaboration among linguists, philosophers, and logicians, among others, and in turn have had noticeable effects on developments ...
Barbara H. Partee
doaj   +1 more source

New mathematical model based on geometric algebra for physical power flow in theoretical two-dimensional multi-phase power circuits [PDF]

open access: gold, 2023
Francisco G. Montoya   +4 more
openalex   +1 more source

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