Results 11 to 20 of about 123,443 (260)

Probing the Interior of the Schwarzschild Black Hole Using Congruences: LQG vs. GUP

open access: yesUniverse, 2022
We review, as well as provide some new results regarding the study of the structure of spacetime and the singularity in the interior of the Schwarzschild black hole in both loop quantum gravity and generalized uncertainty principle approaches, using ...
Saeed Rastgoo, Saurya Das
doaj   +1 more source

Uma reflexão de textos elaborados pelos professores da Educação Infantil sobre Early Algebra

open access: yesEm Teia, 2020
Esta pesquisa tem como objetivo analisar que textos do discurso da álgebra, os professores da educação infantil reconhecem antes de iniciarem uma formação em Early Algebra, ao elaborarem situações-problema para seus estudantes.
Ana Virginia de Almeida Luna   +2 more
doaj   +1 more source

Oriented Flip Graphs and Noncrossing Tree Partitions [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2020
Given a tree embedded in a disk, we define two lattices - the oriented flip graph of noncrossing arcs and the lattice of noncrossing tree partitions.
Alexander Garver, Thomas McConville
doaj   +1 more source

A predictor-corrector path-following algorithm for symmetric optimization based on Darvay's technique [PDF]

open access: yesYugoslav Journal of Operations Research, 2014
In this paper, we present a predictor-corrector path-following interior-point algorithm for symmetric cone optimization based on Darvay's technique.
Kheirfam Behrouz
doaj   +1 more source

An Algebraic-Based Primal–Dual Interior-Point Algorithm for Rotated Quadratic Cone Optimization

open access: yesComputation, 2023
In rotated quadratic cone programming problems, we minimize a linear objective function over the intersection of an affine linear manifold with the Cartesian product of rotated quadratic cones.
Karima Tamsaouete, Baha Alzalg
doaj   +1 more source

Symmetries of the black hole interior and singularity regularization

open access: yesSciPost Physics, 2021
We reveal an $\mathfrak{iso}(2,1)$ Poincar\'e algebra of conserved charges associated with the dynamics of the interior of black holes. The action of these Noether charges integrates to a symmetry of the gravitational system under the Poincar\'e group
Marc Geiller, Etera R. Livine, Francesco Sartini
doaj   +1 more source

Menger algebras of n-place interior operations [PDF]

open access: yesAlgebra universalis, 2013
The authors, renowned experts in Menger algebras [see their monograph Algebras of multiplace functions. Berlin: Walter de Gruyter (2012; Zbl 1253.08001)], introduced the concept of \(n\)-place interior operation on a fixed set. Some algebraic properties of the \(n\)-place interior operations are proved.
Dudek, Wieslaw A.   +1 more
openaire   +2 more sources

Cosmological quantum states of de Sitter-Schwarzschild are static patch partition functions

open access: yesJournal of High Energy Physics, 2023
We solve the Wheeler-DeWitt equation in the ‘cosmological interior’ (the past causal diamond of future infinity) of four dimensional dS-Schwarzschild spacetimes.
Matthew J. Blacker, Sean A. Hartnoll
doaj   +1 more source

Roughness of Filters in Equality Algebras

open access: yesBulletin of the Section of Logic, 2023
Rough set theory is an excellent mathematical tool for the analysis of a vague description of actions in decision problems. Now, in this paper by considering the notion of an equality algebra, the notion of the lower and the upper approximations are ...
Gholam Reza Rezaei   +3 more
doaj   +1 more source

Induction for Interior Algebras [PDF]

open access: yesThe Quarterly Journal of Mathematics, 2002
Let \(R\) be a commutative ring, and let \(B\) be an \(R\)-algebra. An interior \(B\)-algebra is an \(R\)-algebra \(C\), together with a unitary \(R\)-algebra homomorphism \(\sigma\colon B\to C\). Given in addition an \(R\)-algebra \(A\) and an \(A\)-\(B\)-bimodule \(M\), the author defines an induced interior \(A\)-algebra \(\text{Ind}_M(C):=\text{End}
openaire   +3 more sources

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