Results 31 to 40 of about 387,244 (233)

Quantum spectral curve as a tool for a perturbative quantum field theory

open access: yesNuclear Physics B, 2015
An iterative procedure perturbatively solving the quantum spectral curve of planar N=4 SYM for any operator in the sl(2) sector is presented. A Mathematica notebook executing this procedure is enclosed.
Christian Marboe, Dmytro Volin
doaj   +1 more source

Essential dimension of abelian varieties over number fields [PDF]

open access: yes, 2008
We affirmatively answer a conjecture in the preprint ``Essential dimension and algebraic stacks,'' proving that the essential dimension of an abelian variety over a number field is infinite.Comment: 4 pages. To appear in C. R. Math. Acad. Sci.
Berhuy   +9 more
core   +4 more sources

A Note on Divisible Points of Curves [PDF]

open access: yes, 2014
Let $C$ be an irreducible algebraic curve defined over a number field and inside an algebraic torus of dimension at least 3. We partially answer a question posed by Levin on points on $C$ for which a non-trivial power lies again on $C$.
Bays, Martin, Habegger, Philipp
core   +1 more source

Good reduction of algebraic groups and flag varieties [PDF]

open access: yes, 2015
In 1983, Faltings proved that there are only finitely many abelian varieties over a number field of fixed dimension and with good reduction outside a given set of places.
Javanpeykar, Ariyan, Loughran, Daniel
core   +2 more sources

A method to determine algebraically integral Cayley digraphs on finite Abelian group [PDF]

open access: yes, 2018
Researchers in the past have studied eigenvalues of Cayley digraphs or graphs. We are interested in characterizing Cayley digraphs on a finite Abelian group G whose eigenvalues are algebraic integers in a given number field K. And we succeed in finding a
Li, Fei
core   +3 more sources

Units in families of totally complex algebraic number fields

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2004
Multidimensional continued fraction algorithms associated with GLn(ℤk), where ℤk is the ring of integers of an imaginary quadratic field K, are introduced and applied to find systems of fundamental units in families of totally complex algebraic number ...
L. Ya. Vulakh
doaj   +1 more source

Energy Management through Heat Integration: a Simple Algorithmic Approach for Introducing Pinch Analysis

open access: yesSultan Qaboos University Journal for Science, 2015
Pinch analysis is a methodology used for minimizing energy and material consumption in engineering processes. It features the identification of the pinch point and minimum external resources.
Nasser A. Al-Azri
doaj   +1 more source

Linear and algebraic independence of Generalized Euler-Briggs constants

open access: yes, 2016
Possible transcendental nature of Euler's constant $\gamma$ has been the focus of study for sometime now. One possible approach is to consider $\gamma$ not in isolation, but as an element of the infinite family of generalised Euler-Briggs constants. In a
Gun, Sanoli   +2 more
core   +1 more source

A note on Fibonacci matrices of even degree

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2001
This paper presents a construction of m-by-m irreducible Fibonacci matrices for any even m. The proposed technique relies on matrix representations of algebraic number fields which are an extension of the golden section field.
Michele Elia
doaj   +1 more source

Valuations on Structures More General Than Fields

open access: yesComputer Sciences & Mathematics Forum, 2023
Valuation theory is an important area of investigation in algebra, with applications in algebraic geometry and number theory. In 1957, M. Krasner introduced hyperfields, which are field-like objects with a multivalued addition, to describe some ...
Alessandro Linzi
doaj   +1 more source

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