Results 21 to 30 of about 60,716 (200)

Super-isolated abelian varieties [PDF]

open access: yesJournal of Number Theory, 2020
We call an abelian variety over a finite field $\mathbb{F}_q$ super-isolated if its ($\mathbb{F}_q$-rational) isogeny class contains a single isomorphism class. In this paper, we use the Honda-Tate theorem to characterize super-isolated ordinary simple abelian varieties by certain algebraic integers.
openaire   +3 more sources

Large U(1) charges in F-theory

open access: yesJournal of High Energy Physics, 2018
We show that massless fields with large abelian charges (up to at least q = 21) can be constructed in 6D F-theory models with a U(1) gauge group. To show this, we explicitly construct F-theory Weierstrass models with nonabelian gauge groups that can be ...
Nikhil Raghuram, Washington Taylor
doaj   +1 more source

Pentagonal quasigroups, their translatability and parastrophes

open access: yesOpen Mathematics, 2021
Any pentagonal quasigroup QQ is proved to have the product xy=φ(x)+y−φ(y)xy=\varphi \left(x)+y-\varphi (y), where (Q,+)\left(Q,+) is an Abelian group, φ\varphi is its regular automorphism satisfying φ4−φ3+φ2−φ+ε=0{\varphi }^{4}-{\varphi }^{3}+{\varphi }^
Dudek Wieslaw A., Monzo Robert A. R.
doaj   +1 more source

A beginner's guide to non-abelian iPEPS for correlated fermions

open access: yesSciPost Physics Lecture Notes, 2021
Infinite projected entangled pair states (iPEPS) have emerged as a powerful tool for studying interacting two-dimensional fermionic systems. In this review, we discuss the iPEPS construction and some basic properties of this tensor network (TN) ansatz.
Benedikt Bruognolo, Jheng-Wei Li, Jan von Delft, Andreas Weichselbaum
doaj   +1 more source

On the Chow ring of certain rational cohomology tori [PDF]

open access: yes, 2016
Let $f: X \rightarrow A$ be an abelian cover from a complex algebraic variety with quotient singularities to an abelian variety. We show that $f^*$ induces an isomorphism between the rational cohomology rings $H^\bullet(A, \mathbb{Q})$ and $H^\bullet(X, \
Jiang, Zhi, Yin, Qizheng
core   +4 more sources

UNLIKELY INTERSECTIONS IN FINITE CHARACTERISTIC

open access: yesForum of Mathematics, Sigma, 2018
We present a heuristic argument based on Honda–Tate theory against many conjectures in ‘unlikely intersections’ over the algebraic closure of a finite field; notably, we conjecture that every abelian variety of dimension 4 is isogenous to a Jacobian ...
ANANTH N. SHANKAR, JACOB TSIMERMAN
doaj   +1 more source

Complete addition laws on abelian varieties [PDF]

open access: yes, 2012
We prove that under any projective embedding of an abelian variety A of dimension g, a complete system of addition laws has cardinality at least g+1, generalizing of a result of Bosma and Lenstra for the Weierstrass model of an elliptic curve in P^2.
Arene, Christophe   +2 more
core   +3 more sources

Characterization of abelian varieties [PDF]

open access: yesInventiones Mathematicae, 2001
10 pages ...
Chen, J.A., Hacon, C.D.
openaire   +2 more sources

Strong amalgamations of lattice ordered groups and modules

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1993
We show that every variety of representable lattice ordered groups fails the strong amalgamation property. The same result holds for the variety of f-modules over an f-ring.
Mona Cherri, Wayne B. Powell
doaj   +1 more source

The Modularity of an Abelian Variety

open access: yesAxioms
We introduce the concept of the modularity of an abelian variety defined over the rational number field extending the modularity of an elliptic curve. We discuss the modularity of an abelian variety over Q.
Jae-Hyun Yang
doaj   +1 more source

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