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1Academic Journal
المؤلفون: Muqeem Ahmad, Mobin Ahmad, Fatemah Mofarreh
المصدر: AIMS Mathematics, Vol 8, Iss 8, Pp 19526-18545 (2023)
مصطلحات موضوعية: degenerate metric, indefinite metrics, bi-slant lightlike submanifold, golden structure, golden semi-riemannian manifold, Mathematics, QA1-939
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2Report
المؤلفون: Charette, Virginie, Drumm, Todd A., Goldman, William M.
مصطلحات موضوعية: Mathematics - Differential Geometry, 53C50 Lorentz manifolds, manifolds with indefinite metrics
URL الوصول: http://arxiv.org/abs/1501.04535
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3Academic Journal
المؤلفون: Yu. V. Kulish
المصدر: East European Journal of Physics, Vol 5, Iss 2, Pp 4-15 (2018)
مصطلحات موضوعية: generalized Klein-Gordon equations, generations of particles, chronological products of fields, Green functions, Lagrangians, particle energies, particle moments, indefinite metrics., Physics, QC1-999
وصف الملف: electronic resource
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4Academic Journal
المؤلفون: Yu. V. Kulish, E. V. Rybachuk
المصدر: East European Journal of Physics, Vol 4, Iss 4, Pp 4-11 (2017)
مصطلحات موضوعية: convergence of integrals, differential equations, generations of particles, microcausality principle, indefinite metrics, Physics, QC1-999
وصف الملف: electronic resource
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5Academic Journal
المؤلفون: Pavlova N.G., Remizov A.O.
المصدر: Linear Algebra and Its Applications
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6Academic Journal
المؤلفون: Kulish, Yu. V., Rybachuk, E. V.
المصدر: East European Journal of Physics; Том 4, № 4 (2017): East European Journal of Physics; 4-11 ; Восточно-европейский физический журнал; Том 4, № 4 (2017): East European Journal of Physics; 4-11 ; Східно-європейський фізичний журнал; Том 4, № 4 (2017): East European Journal of Physics; 4-11 ; 2312-4539 ; 2312-4334
مصطلحات موضوعية: convergence of integrals, differential equations, generations of particles, microcausality principle, indefinite metrics, сходимость интегралов, дифференциальные уравнения, принцип микропричинности, поколения частиц, индефинитная метрика, збіжність інтегралів, диференціальні рівняння, принцип мікропричинності, покоління частинок, індефінітна метрика
وصف الملف: application/pdf
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7Academic Journal
المؤلفون: Stoica Ovidiu-Cristinel
المصدر: Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, Vol 20, Iss 2, Pp 213-238 (2012)
مصطلحات موضوعية: general relativity, space-time singularities, einstein equations, cauchy foliations, global hyperbolicity, lorentz metrics, indefinite metrics, degenerate metrics, singular semi-riemannian geometry, black holes, schwarzschild black hole, reissner-nordström black hole, kerr-newman black hole, Mathematics, QA1-939
وصف الملف: electronic resource
Relation: https://doaj.org/toc/1844-0835
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8Academic Journal
المؤلفون: A. Grod, S. Kuzhel, V. Sudilovskaya
المصدر: Opuscula Mathematica, Vol 31, Iss 1, Pp 49-59 (2011)
مصطلحات موضوعية: Krein spaces, indefinite metrics, operator of transition, operator Riccati equation, Applied mathematics. Quantitative methods, T57-57.97
وصف الملف: electronic resource
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9Academic Journal
المؤلفون: Суділовська, В. І.
المصدر: Visnyk of V.N.Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics; Том 82 (2015); 19–26 ; Вестник ХНУ имени В. Н. Каразина, серия «Мaтeмaтикa, приклaднaя мaтeмaтикa и механика»; Том 82 (2015); 19–26 ; Вісник Харківського національного університету імені В. Н. Каразіна. Серія «Maтeмaтикa, приклaднa мaтeмaтикa i механiка»; Том 82 (2015); 19–26 ; 2523-4641 ; 2221-5646
مصطلحات موضوعية: 47A55, 47A57, 47B25, Krein spaces, indefinite metrics, C-symmetry, Pauli matrices, простір Крейна, індефінітна метрика, C-симетрія, матриці Паулі
وصف الملف: application/pdf
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10Dissertation/ Thesis
المؤلفون: Estévez Joya, Lizeth Alexandra
المساهمون: Becerra Rojas, Edward Samuel
مصطلحات موضوعية: 510 - Matemáticas::516 - Geometría, Variables diferenciables, Differential manifolds, Variedades de Riemann, Riemann manifolds, Differential equations, Ecuaciones diferenciales, Laplace-Beltrami operator, Manifolds with indefinite metrics, Existence problems for PDEs, Polar actions, Variedades con métricas indefinidas, Problemas de existencia para EDPs, Operador de Laplace-Beltrami, Acciones polares
وصف الملف: ix, 95 páginas; application/pdf
Relation: P. Ahmadi and S. Kashani. Cohomogeneity one Minkowski space R^n_1. Publicationes mathematicae, 78, 02 2011; P. Ahmadi, S. Safari, and M. Hassani. A classification of cohomogeneity one actions on the Minkowski space R. Bulletin of the Iranian Mathematical Society, 10 2020; N. M. Alba, J. Galvis, and E. Becerra. On polar actions invariant solutions of semilinear equations on manifolds. arXiv:1802.08625, 2018; M.M. Alexandrino and R.G. Bettiol. Lie groups and geometric aspects of isometric actions. Springer International Publishing, 2015; J.K. Beem, P. Ehrlich, and K. Easley. Global Lorentzian geometry, second edition. Chapman & Hall/CRC Pure and Applied Mathematics. Taylor & Francis, 1996; J. Berndt, S. Console, and C.E. Olmos. Submanifolds and holonomy. Chapman & Hall/CRC Monographs and Research Notes in Mathematics. CRC Press, second edition, 2016; C. Bär. Lorentzian Geometry. Lecture Notes, Summer Term 2004. Universit at Potsdam, 2020.; C. Bär, N. Ginoux, and F. Pf a e. Wave equations on Lorentzian manifolds and quantization. European Mathematical Society., 2007.; José Díaz-Ramos. Proper isometric actions. 12 2008.; Paul Ehrlich, Yoon-Tae Jung, Jeong-Sik Kim, and Seon-Bu Kim. Jacobians and volume comparison for Lorentzian warped products. Contemporary Mathematics, "Recent Advances in Riemannian and Lorentzian Geometries", pages 39{52, 01 2003.; F. Flaherty and M.P. do Carmo. Riemannian geometry. Mathematics: Theory & Applications. Birkh auser Boston, 2013.; S. Helgason. Differential operators on homogeneous spaces. Acta Math., 102(3-4):239-299 1959.; S. Helgason. Di erential geometry and symmetric spaces. Pure and Applied Mathematics. Elsevier Science, 1962.; S. Helgason. A formula for the radial part of the Laplace-Beltrami operator. Journal of Differential Geometry, 6(3):411-419, 1972.; S. Helgason. Groups and geometric analysis: integral geometry, invariant di erential operators, and spherical functions. Pure and applied mathematics. Academic Press, 1984.; S. Helgason. The Radon transform. Progress in Mathematics. Birkh auser Boston, 1999.; J. Jost. Riemannian geometry and geometric analysis. Universitext. Springer Berlin Heidelberg, 2011.; J. Lee. Introduction to smooth manifolds. Graduate Texts in Mathematics. Springer New York, 2012.; J.M. Lee. Riemannian manifolds: An introduction to curvature. Graduate Texts in Mathematics. Springer New York, 2006.; J.M. Lee. Introduction to Riemannian manifolds. Graduate Texts in Mathematics. Springer International Publishing, 2019.; B. O'Neill. Semi-Riemannian geometry with applications to relativity. Pure and Applied Mathematics. Elsevier Science, 1983.; T. Sakai. Riemannian geometry. Fields Institute Communications. American Mathematical Soc., 1996.; R.A. Wijsman. Invariant measures on groups and their use in statistics. IMS Lecture Notes. Institute of Mathematical Statistics, 1990.; Joseph A. Wolf. Spaces of constant curvature. sixth edition. AMS, 2011.; Hongtao Xue and Xigao Shao. Existence of positive entire solutions of a semilinear elliptic problem with a gradient term. Nonlinear Analysis: Theory, Methods & Applications, 71(7):3113-3118, 2009.; Q.S. Zhang. Sobolev inequalities, heat kernels under Ricci flow, and the Poincare conjecture. CRC Press, 2010.; https://repositorio.unal.edu.co/handle/unal/80138; Universidad Nacional de Colombia; Repositorio Institucional Universidad Nacional de Colombia; https://repositorio.unal.edu.co/
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11Academic Journal
المؤلفون: López Camino, Rafael
مصطلحات موضوعية: Lorentz manifolds, Manifolds with indefinite metrics, Immersions, Minimal surfaces, Surfaces with prescribed mean curvature
وصف الملف: application/pdf
Relation: http://projecteuclid.org/euclid.ojm/1235574037; López Camino, R. Stationary bands in three-dimensional Minkowski space. Osaka Journal of Mathematics, 46(1): 1-20 (2009). [http://hdl.handle.net/10481/33114]; http://hdl.handle.net/10481/33114
الاتاحة: http://hdl.handle.net/10481/33114
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12Academic Journal
المؤلفون: Letizia Brunetti, Anna Maria Pastore
المساهمون: The Pennsylvania State University CiteSeerX Archives
المصدر: http://arxiv.org/pdf/0803.0427v1.pdf.
مصطلحات موضوعية: indefinite metrics, f-structures, sectional curvature, ϕ-sectional
وصف الملف: application/pdf
Relation: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.313.8126; http://arxiv.org/pdf/0803.0427v1.pdf
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13Book
المؤلفون: A'Campo-Neuen, Annette, Papadopoulos, Athanase
المساهمون: Mathematisches Institut, Universität Basel, Mathematisches Institut, Institut de Recherche Mathématique Avancée (IRMA), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS)
المصدر: In: Eighteen Essays in Non-Euclidean Geometry (V. Alberge and A. Papadopoulos, ed.), European Mathematical Soiety Publishing House, Zurich, p. 253-262. ; https://hal.science/hal-02126614 ; In: Eighteen Essays in Non-Euclidean Geometry (V. Alberge and A. Papadopoulos, ed.), European Mathematical Soiety Publishing House, Zurich, p. 253-262., 2019, 978-3-03719-196-5. ⟨10.4171/196⟩
مصطلحات موضوعية: de Sitter space, Exterior hyperbolic geometry, Lorenz metrics, indefinite metrics, non euclidean geometry, metric geometry, AMS classification : 53A35, 53B30, [MATH.MATH-GT]Mathematics [math]/Geometric Topology [math.GT], [MATH.MATH-MG]Mathematics [math]/Metric Geometry [math.MG], [MATH.MATH-HO]Mathematics [math]/History and Overview [math.HO]
Relation: hal-02126614; https://hal.science/hal-02126614
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14Academic Journal
المساهمون: Silesian University of Technology, Kaszubska, University of Durham, University of Derby
مصطلحات موضوعية: Nonlinear elliptic equations, Global differential geometry of Lorentz manifolds, manifolds with indefinite metrics, Differential geometry of immersions (minimal, prescribed curvature, tight, etc.)
وصف الملف: application/octet-stream; application/pdf
Relation: https://repository.derby.ac.uk/item/94w88/prescribed-k-symmetric-curvature-hypersurfaces-in-de-sitter-space; https://repository.derby.ac.uk/download/b430d8874206767801e43cdb9b9243fae2222e4ae144d1c9edcc1d879ee7b680/1980/license.txt; https://repository.derby.ac.uk/download/974d578b075ae0ffd88242a27a650f795de27e198ce9b40b4a2880db01f39008/353267/PrescribedSymmetricCurvature.pdf; https://doi.org/10.4153/S0008439520000910; Ballesteros-Chávez, Daniel, Klingenberg, Wilhelm and Lambert, Ben 2020. Prescribed $k$-symmetric curvature hypersurfaces in de Sitter space. Canadian Mathematical Bulletin. https://doi.org/10.4153/S0008439520000910
الاتاحة: https://doi.org/10.4153/S0008439520000910
https://repository.derby.ac.uk/download/b430d8874206767801e43cdb9b9243fae2222e4ae144d1c9edcc1d879ee7b680/1980/license.txt
https://repository.derby.ac.uk/download/974d578b075ae0ffd88242a27a650f795de27e198ce9b40b4a2880db01f39008/353267/PrescribedSymmetricCurvature.pdf -
15Academic Journal
المؤلفون: Gadea, Pedro M., Muñoz Masqué, Jaime
مصطلحات موضوعية: Symmetric structures, Cotangent bundles of real or complex Grasmannians, [MSC] General geometric structures on manifolds (almost complex, almost product structures, etc.), [MSC] Symmetric spaces, [MSC] Lorentz manifolds, manifolds with indefinite metrics
وصف الملف: 159213 bytes; application/pdf
Relation: Indian Journal of Pure and Applied Mathematics 27: 1-11 (1996); http://hdl.handle.net/10261/15842
الاتاحة: http://hdl.handle.net/10261/15842
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16
المؤلفون: Athanase Papadopoulos, Annette A'Campo-Neuen
المساهمون: Mathematisches Institut, Universität Basel, Mathematisches Institut, Institut de Recherche Mathématique Avancée (IRMA), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS)
المصدر: Eighteen Essays in Non-Euclidean Geometry (V. Alberge and A. Papadopoulos, ed.), European Mathematical Soiety Publishing House, Zurich, p. 253-262.
Eighteen Essays in Non-Euclidean Geometry (V. Alberge and A. Papadopoulos, ed.), European Mathematical Soiety Publishing House, Zurich, p. 253-262., 2019, 978-3-03719-196-5. ⟨10.4171/196⟩
Eighteen Essays in Non-Euclidean Geometryمصطلحات موضوعية: Pure mathematics, Mathematics::History and Overview, de Sitter space, Computer Science::Digital Libraries, Computer Science::Computers and Society, Exterior hyperbolic geometry, AMS classification : 53A35, 53B30, Non-Euclidean geometry, [MATH.MATH-GT]Mathematics [math]/Geometric Topology [math.GT], [MATH.MATH-HO]Mathematics [math]/History and Overview [math.HO], non euclidean geometry, Lorenz metrics, metric geometry, indefinite metrics, [MATH.MATH-MG]Mathematics [math]/Metric Geometry [math.MG], Mathematics
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17
المؤلفون: S. Kuzhel, V. Sudilovskaya, A. Grod
المصدر: Opuscula Mathematica, Vol 31, Iss 1, Pp 49-59 (2011)
مصطلحات موضوعية: General Mathematics, lcsh:T57-57.97, operator of transition, Finite-rank operator, Operator theory, Mathematics::Spectral Theory, Shift operator, Compact operator, Krein spaces, Compact operator on Hilbert space, operator Riccati equation, Quasinormal operator, Semi-elliptic operator, Algebra, Von Neumann's theorem, lcsh:Applied mathematics. Quantitative methods, indefinite metrics, Mathematics
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18
المؤلفون: Sorin Dragomir, Krishan L. Duggal
المصدر: Differential Geometry and its Applications. 25(1):8-22
مصطلحات موضوعية: Indefinite metrics, Pure mathematics, Hopf manifold, Second fundamental form, Invariant manifold, Mathematical analysis, Kähler manifold, CR functions, Lee form, Pseudo-Riemannian manifold, symbols.namesake, Computational Theory and Mathematics, symbols, Hermitian manifold, Mathematics::Differential Geometry, Geometry and Topology, Complex manifold, Mathematics::Symplectic Geometry, Levi foliation, Center manifold, Analysis, Mathematics
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19
المؤلفون: Anna Maria Pastore, Letizia Brunetti
المصدر: Volume: 9, Issue: 1 1-8
International Electronic Journal of Geometryمصطلحات موضوعية: Pure mathematics, Applied Mathematics, Decomposition (computer science), Geometry and Topology, Mathematics::Differential Geometry, Mathematics::Geometric Topology, Mathematics::Symplectic Geometry, Mathematical Physics, Mathematics, Semi-Riemannian manifolds,indefinite metrics,Lorentz metrics,f-structures
وصف الملف: application/pdf
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20
المؤلفون: A.L. Sakhnovich
المصدر: Journal of Functional Analysis. 171(2):449-482
مصطلحات موضوعية: linear fractional transformation, Sequence, Block (permutation group theory), Zero (complex analysis), Toeplitz matrix, Szegö limit, Combinatorics, Matrix (mathematics), Limit (mathematics), indefinite metrics, Eigenvalues and eigenvectors, Analysis, Mathematics, Analytic function
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