Results 41 to 50 of about 385,037 (330)

Some Hyperbolic Iterative Methods for Linear Systems

open access: yesJournal of Applied Mathematics, 2020
The indefinite inner product defined by J=diagj1,…,jn, jk∈−1,+1, arises frequently in some applications, such as the theory of relativity and the research of the polarized light.
K. Niazi Asil, M. Ghasemi Kamalvand
doaj   +1 more source

On indefinite sums weighted by periodic sequences [PDF]

open access: yes, 2019
For any integer $q\geq 2$ we provide a formula to express indefinite sums of a sequence $(f(n))_{n\geq 0}$ weighted by $q$-periodic sequences in terms of indefinite sums of sequences $(f(qn+p))_{n\geq 0}$, where $p\in\{0,\ldots,q-1\}$.
Marichal, Jean-Luc
core   +2 more sources

Logical Indefinites

open access: yesLogique et Analyse, 2014
The best extant demarcation of logical constants, due to Tarski, classifies logical constants by invariance properties of their denotations. This classification is developed in a framework which presumes that the denotations of all expressions are definite.
openaire   +3 more sources

Positive solutions for perturbations of the Robin eigenvalue problem plus an indefinite potential [PDF]

open access: yes, 2017
We study perturbations of the eigenvalue problem for the negative Laplacian plus an indefinite and unbounded potential and Robin boundary condition. First we consider the case of a sublinear perturbation and then of a superlinear perturbation.
Nikolaos S. Papageorgiou   +2 more
semanticscholar   +1 more source

Nominal Predicates in Mandarin Chinese [PDF]

open access: yesTaiwan Journal of Linguistics, 2007
This article reconsiders Tang’s (1998) analysis of Mandarin matrix small clauses (SC) in an attempt to get a better understanding of the structure of the Mandarin nominal predicate. It is found that the structures which the nominal predicate can take can
Ting-Chi Wei
doaj  

Indefinite Morse 2-functions; broken fibrations and generalizations

open access: yes, 2014
A Morse 2-function is a generic smooth map from a smooth manifold to a surface. In the absence of definite folds (in which case we say that the Morse 2-function is indefinite), these are natural generalizations of broken (Lefschetz) fibrations.
Akbulut   +5 more
core   +1 more source

Quantum computation with indefinite causal structures [PDF]

open access: yesarXiv.org, 2017
One way to study the physical plausibility of closed timelike curves (CTCs) is to examine their computational power. This has been done for Deutschian CTCs (D-CTCs) and postselection CTCs (P-CTCs), with the result that they allow for the efficient ...
Mateus Araújo   +2 more
semanticscholar   +1 more source

Intuitions about infinity in teachers and students aged 15 to 17

open access: yesSenderos Pedagogicos, 2019
As teachers we are constantly teaching topics that have to do with the concept of -infinite- or at least we have talked about it in our lessons, however, I wonder if we really know ¿what an eleventh grader or a mathematics teacher thinks about the ...
Jeferson Alexander Orozco
doaj   +1 more source

The regularized monotonicity method: Detecting irregular indefinite inclusions [PDF]

open access: yesInverse Problems and Imaging, 2017
In inclusion detection in electrical impedance tomography, the support of perturbations (inclusion) from a known background conductivity is typically reconstructed from idealized continuum data modelled by a Neumann-to-Dirichlet map.
Henrik Garde, Stratos Staboulis
semanticscholar   +1 more source

Indefinite waitings in MIRELA systems [PDF]

open access: yes, 2015
MIRELA is a high-level language and a rapid prototyping framework dedicated to systems where virtual and digital objects coexist in the same environment and interact in real time.
Arcile, Johan   +4 more
core   +6 more sources

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