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77 risultati trovati.

Tipi di risorsa: Libro cartaceo Libro elettronico Articolo Rivista Tesi Capitolo
Ricerca accademica
Operators of quantum theory of Proca’s free field
Articolo
Articolo
Ion I. Cotăescu · SpringerOpen · 2026 · ISSN 1434-6052
Abstract The principal one-particle operators of quantum theory of Proca’s free field are derived using a method associating to any operator in a configuration representation a pair of operators acting directly on part...
LCC TENDOkFzdHJvcGh5c2ljcw~~; TENDOk51Y2xlYXIgYW5kIHBhcnRpY2xlIHBoeXNpY3MuIEF0b21pYyBlbmVyZ3kuIFJhZGlvYWN0aXZpdHk~Idioma Inglés
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Open Access
Spectral theory of the Atiyah-Patodi-Singer operator on compact flat manifolds
Articolo
Articolo
Miatello, Roberto Jorge et al · Springer · 2011 · ISSN 1027-1054
We study the spectral theory of the Dirac-type boundary operator D defined by Atiyah, Patodi, and Singer, acting on smooth even forms of a compact flat Riemannian manifold M. We give an explicit formula for the multiplic...
Idioma Inglés
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Open Access
Perturbation Theory for Linear Operators
Libro
Libro
Tosio Kato · Classics in mathematics · 1995
Materie / parole chiave: Bibliography; Perturbation (astronomy); Linear operators; Perturbation theory (quantum mechanics); Mathematics; Computer science; Calculus (dental); Library science; Physics; Mathematical analysis; Medicine; Quantum mech...
Idioma Inglés
El enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Perturbation theory for linear operators
Libro
Libro
Tosio Kato · OpenAlex · 1966
Materie / parole chiave: Linear operators; Perturbation (astronomy); Mathematics; Statistical physics; Computer science; Theoretical physics; Physics; Mathematical analysis; Quantum mechanics; Bounded function
Idioma Inglés
Página del recurso disponiblePágina de referencia del recurso. El texto completo no está confirmado automáticamente.
Página del recurso
A New Fixed-Point Framework for Nonexpansive and Averaged Mappings in Normed GE-Algebras
Articolo
Articolo
Prashant Patel et al · Wiley · 2026 · ISSN 2314-4785
In this paper, we develop a systematic framework for studying fixed-point theory in the setting of normed GE-algebras. Building on the GE-norm, we introduce and analyze nonexpansive mappings, α-averaged mappings, and en...
LCC LCC:MathematicsIdioma Inglés
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Open Access
The transcendence of time in the epistemology of observation from a phenomenological standpoint
Articolo
Articolo
Stathis Livadas · UNICAMP - Universidade Estadual de Campinas, Centro de Lógica, Epistemologia e História da Ciência · 2011 · ISSN 2317-630X
In this article I deal with time as a notion of epistemological content associated though with the notion of a subjective consciousness co-constitutive of physical reality. In this phenomenologically grounded approach I ...
LCC LCC:Logic; LCC:Philosophy (General)Idioma Inglés
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Open Access
Combining the G-particle-hole hypervirial equation and the hermitian operator method to study electronic excitations and de-excitations
Articolo
Articolo
Valdemoro, Carmela et al · Springer · 2012 · ISSN 0259-9791
The first aim of this paper is to give an overview of the contracted equations theory (Valdemoro in Adv Chem Phys 134. Wiley, New York, 2007) leading to the description of the G-particle-hole Hypervirial equation (GHV) (...
Idioma Inglés
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Open Access
Worldline approach to noncommutative field theory
Articolo
Articolo
Bonezzi, Roberto et al · IOP Publishing · 2012 · ISSN 1751-8113
The study of the heat-trace expansion in non-commutative field theory has shown the existence of Moyal non-local Seeley?DeWitt coefficients which are related to the UV/IR mixing and manifest, in some cases, the non-renor...
Idioma Inglés
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Open Access
Application of analytic functionals to mean field theory and Wilson–Fisher fixed point
Articolo
Articolo
Bhaskar Jyoti Khanikar et al · SpringerOpen · 2026 · ISSN 1434-6052
Abstract We consider application of the analytic functional approach to the conformal field theories associated with mean field theory and Wilson–Fisher fixed point. We study the constraints imposed by the crossing sym...
LCC TENDOkFzdHJvcGh5c2ljcw~~; TENDOk51Y2xlYXIgYW5kIHBhcnRpY2xlIHBoeXNpY3MuIEF0b21pYyBlbmVyZ3kuIFJhZGlvYWN0aXZpdHk~Idioma Inglés
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Open Access
Exploring quantum Heider balance theory
Articolo
Articolo
Anahid Kiani et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract This work generalizes Heider’s classical balance theory into a quantum mechanical framework. The core idea is that, just as quantum reality exists in a superposition of possibilities until observed, our real-l...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma Inglés
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Material complementario
opbasis: a Python package to derive minimal operator bases
Articolo
Articolo
Nikolai Husung · SpringerOpen · 2026 · ISSN 1434-6052
Abstract Finding a complete and yet minimal on-shell basis of operators of a given mass-dimension that are compatible with a specific set of transformation properties is the first step in any Effective Field Theory descr...
LCC TENDOkFzdHJvcGh5c2ljcw~~; TENDOk51Y2xlYXIgYW5kIHBhcnRpY2xlIHBoeXNpY3MuIEF0b21pYyBlbmVyZ3kuIFJhZGlvYWN0aXZpdHk~Idioma Inglés
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Open Access
CEV Model with Stochastic Volatility
Articolo
Articolo
IVAN BURTNYAK et al · Vasyl Stefanyk Carpathian National University · 2019 · ISSN 2311-0155
This paper develops a systematic method for calculating approximate prices for a wide range of securities implying the tools of spectral analysis, singular and regular perturbation theory. Price options depend on stochas...
LCC TENDOkVkdWNhdGlvbg~~; TENDOkVjb25vbWljcyBhcyBhIHNjaWVuY2U~Idioma Inglés
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Open Access
Edwards Thermodynamics for a Driven Athermal System with Dry Friction
Articolo
Articolo
Gradenigo, Giacomo et al · American Physical Society · 2015 · ISSN 0031-9007
We obtain, using semianalytical transfer operator techniques, the Edwards thermodynamics of a one-dimensional model of blocks connected by harmonic springs and subjected to dry friction. The theory is able to reproduce t...
Idioma Inglés
El enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.Disponible en 2 proveedores
Material complementario
A gamified interactive educational tool to support algebraic thinking: reducing reversal errors in comparative word problem solving
Articolo
Articolo
Aida Moreno-Rus et al · Springer · 2026 · ISSN 2254-7339
Abstract This study evaluates the effectiveness of a gamified interactive educational tool (G-IET) in addressing reversal errors in algebra, a persistent misinterpretation of relational language in comparative word probl...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Theory and practice of educationIdioma Inglés
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Open Access
ADVERBIAL MODIFICATION, FACTS, AND EVENTS: A PREDICATE MODIFIERS’ APPROACH
Articolo
Articolo
MARTIN MOTLOCH · UNICAMP - Universidade Estadual de Campinas, Centro de Lógica, Epistemologia e História da Ciência · 2024 · ISSN 2317-630X
Abstract The logical formalization of sentences containing adverbial modification, e.g., “John walks slowly”, remains demanding. According to Bennett (1988, 2002), as facts are exemplifications of properties, they ar...
LCC LCC:Logic; LCC:Philosophy (General)Idioma Inglés
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Open Access
Chirality-driven all-optical image differentiation
Articolo
Articolo
Koufidis Stefanos Fr. et al · Wiley · 2025 · ISSN 2192-8614
Optical analog computing enables powerful functionalities, including spatial differentiation, image processing, and ultrafast linear operations. Yet, most existing approaches rely on resonant or periodic structures, whos...
LCC TENDOlBoeXNpY3M~Idioma Inglés
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Open Access
Constitutive relation and integration algorithm for rock discontinuities under cyclic loading
Articolo
Articolo
DENG Jian 1,2, XIAO Ming 1,2, XIE Bing-bing 3, CHEN Jun-tao 1,2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The discontinuities distributed in underground structures are the important factors that affect the mechanical characteristics of rock mass, and to study the mechanical behavior of rock discontinuities under cyclic loadi...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma Inglés
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Open Access
EXPLORING AIRPORT NAVIGATION CHALLENGES FACED BY AIRLINE TRAVELERS WITH HIDDEN DISABILITIES
Articolo
Articolo
Aliyu Mohammed Tata et al · Embry-Riddle Aeronautical University · 2024 · ISSN 2374-6793
In this paper, the Servicescape theory was employed as the conceptual framework to (a) investigate the live airport experiences of passengers with an HD and (b) understand the negative experiences of passengers within th...
LCC LCC:Motor vehicles. Aeronautics. AstronauticsIdioma Inglés
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Open Access
El capital como relación diferencial: teoría monetaria y dominación económica en El anti-Edipo
Articolo
Articolo
Santaya, Gonzalo · Cenaltes · 2022 · ISSN 0718-8382
La caracterización filosófica del capital en El anti-Edipo (1972) guarda sutiles pero significativas resonancias con la ontología desarrollada por Deleuze en Diferencia y repetición (1968), particularmente en el empl...
Idioma Español
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Open Access
Electroweak diboson production in association with a high-mass dijet system in semileptonic final states from pp collisions at $$\sqrt{s} = 13$$ s = 13 TeV with the ATLAS detector
Articolo
Articolo
ATLAS Collaboration · SpringerOpen · 2026 · ISSN 1434-6052
Abstract This paper reports the observation of electroweak diboson (WW/WZ/ZZ) production in association with a high-mass dijet system, in which final states with one boson decaying leptonically and the other boson decayi...
LCC TENDOkFzdHJvcGh5c2ljcw~~; TENDOk51Y2xlYXIgYW5kIHBhcnRpY2xlIHBoeXNpY3MuIEF0b21pYyBlbmVyZ3kuIFJhZGlvYWN0aXZpdHk~Idioma Inglés
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Open Access
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