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Artykuły w czasopismach na temat "Degenerate elliptic operators"
Shakhmurov, Veli B. "Degenerate Differential Operators with Parameters". Abstract and Applied Analysis 2007 (2007): 1–27. http://dx.doi.org/10.1155/2007/51410.
Pełny tekst źródłaDuc, Duong Minh. "A class of strongly degenerate elliptic operators". Bulletin of the Australian Mathematical Society 39, nr 2 (kwiecień 1989): 177–200. http://dx.doi.org/10.1017/s0004972700002665.
Pełny tekst źródłaIgisinov, S. Zh, L. D. Zhumaliyeva, A. O. Suleimbekova i Ye N. Bayandiyev. "Estimates of singular numbers (s-numbers) for a class of degenerate elliptic operators". BULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS 107, nr 3 (30.09.2022): 51–58. http://dx.doi.org/10.31489/2022m3/51-58.
Pełny tekst źródłaRobinson, Derek W., i Adam Sikora. "L1-uniqueness of degenerate elliptic operators". Studia Mathematica 203, nr 1 (2011): 79–103. http://dx.doi.org/10.4064/sm203-1-5.
Pełny tekst źródłaMorimoto, Yoshinori. "Non-hypoellipticity for degenerate elliptic operators". Publications of the Research Institute for Mathematical Sciences 22, nr 1 (1986): 25–30. http://dx.doi.org/10.2977/prims/1195178369.
Pełny tekst źródłaHua, Chen, i Chen Hongge. "Eigenvalue problem of degenerate elliptic operators". SCIENTIA SINICA Mathematica 51, nr 6 (8.03.2021): 833. http://dx.doi.org/10.1360/ssm-2020-0219.
Pełny tekst źródłaRobinson, Derek W., i Adam Sikora. "Degenerate elliptic operators in one dimension". Journal of Evolution Equations 10, nr 4 (23.04.2010): 731–59. http://dx.doi.org/10.1007/s00028-010-0068-9.
Pełny tekst źródłaOuhabaz, El Maati, i Derek W. Robinson. "Uniqueness properties of degenerate elliptic operators". Journal of Evolution Equations 12, nr 3 (11.05.2012): 647–73. http://dx.doi.org/10.1007/s00028-012-0148-0.
Pełny tekst źródłaLevendorskiĭ, S. Z. "ON TYPES OF DEGENERATE ELLIPTIC OPERATORS". Mathematics of the USSR-Sbornik 66, nr 2 (28.02.1990): 523–40. http://dx.doi.org/10.1070/sm1990v066n02abeh001183.
Pełny tekst źródłaMorimoto, Yoshinori. "Estimates for degenerate Schrödinger operators and hypoellipticity for infinitely degenerate elliptic operators". Journal of Mathematics of Kyoto University 32, nr 2 (1992): 333–72. http://dx.doi.org/10.1215/kjm/1250519539.
Pełny tekst źródłaRozprawy doktorskie na temat "Degenerate elliptic operators"
Hakulinen, Ville. "Passive advection and the degenerate elliptic operators Mn". Helsinki : University of Helsinki, 2002. http://ethesis.helsinki.fi/julkaisut/mat/matem/vk/hakulinen/.
Pełny tekst źródłaROCCHETTI, DARIO. "Generation of analytic semigroups for a class of degenerate elliptic operators". Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2009. http://hdl.handle.net/2108/749.
Pełny tekst źródłaThis thesis is composed by two chapters. The first one is devoted to the generation of analytic semigroups in the L^2 topology by second order elliptic operators in divergence form, that may degenerate at the boundary of the space domain. Our results, that hold in two space dimension, guarantee that the solutions of the corresponding evolution problems support integration by parts. So, this paper provides the basis for deriving Carleman type estimates for degenerate parabolic operators. In the second chapter we give null controllability results for some degenerate parabolic equations in non divergence form with a drift term in one space dimension. In particular, the coefficient of the second order term may degenerate at the extreme points of the space domain. For this purpose, we obtain an observability inequality for the adjoint problem using suitable Carleman estimates.
Monticelli, D. D. "Maximum principles and applications for a class of degenerate elliptic linear operators". Doctoral thesis, Università degli Studi di Milano, 2006. http://hdl.handle.net/2434/25003.
Pełny tekst źródłaNazaikinskii, Vladimir, Anton Savin, Bert-Wolfgang Schulze i Boris Sternin. "Elliptic theory on manifolds with nonisolated singularities : II. Products in elliptic theory on manifolds with edges". Universität Potsdam, 2002. http://opus.kobv.de/ubp/volltexte/2008/2633/.
Pełny tekst źródłaNazaikinskii, Vladimir, Anton Savin, Bert-Wolfgang Schulze i Boris Sternin. "Elliptic theory on manifolds with nonisolated singularities : I. The index of families of cone-degenerate operators". Universität Potsdam, 2002. http://opus.kobv.de/ubp/volltexte/2008/2632/.
Pełny tekst źródłaNazaikinskii, Vladimir, Anton Savin, Bert-Wolfgang Schulze i Boris Sternin. "Elliptic theory on manifolds with nonisolated singularities : IV. Obstructions to elliptic problems on manifolds with edges". Universität Potsdam, 2002. http://opus.kobv.de/ubp/volltexte/2008/2641/.
Pełny tekst źródłaGiunti, Arianna. "Green\'s function estimates for elliptic and parabolic operators: Applications to quantitative stochastic homogenization and invariance principles for degenerate random environments and interacting particle systems". Doctoral thesis, Universitätsbibliothek Leipzig, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-225533.
Pełny tekst źródłaGiunti, Arianna [Verfasser], Felix [Gutachter] Otto i Antoine [Gutachter] Gloria. "Green\'s function estimates for elliptic and parabolic operators: Applications to quantitative stochastic homogenization and invariance principles for degenerate random environments and interacting particle systems : Green\''s function estimates for elliptic and parabolic operators:Applications to quantitative stochastic homogenization andinvariance principles for degenerate random environments andinteracting particle systems / Arianna Giunti ; Gutachter: Felix Otto, Antoine Gloria". Leipzig : Universitätsbibliothek Leipzig, 2017. http://d-nb.info/1241064598/34.
Pełny tekst źródłaPerstneva, Polina. "Elliptic measure in domains with boundaries of codimension different from 1". Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASM037.
Pełny tekst źródłaThis thesis studies different counterparts of the harmonic measure and their relations with the geometry of the boundary of a domain. In the first part of the thesis, we focus on the analogue of harmonic measure for domains with boundaries of smaller dimensions, defined via the theory of degenerate elliptic operators developed recently by David et al. More precisely, we prove that there is no non-degenerate one-parameter family of solutions to the equation LμDμ = 0, which constitutes the first step to recover an analogue of the statement ``if the distance function to the boundary of a domain is harmonic, then the boundary is flat'', missing from the theory of degenerate elliptic operators. We also find out and explain why the most natural strategy to extend our result to the absence of individual solutions to the equation LμDμ = 0 does not work. In the second part of the thesis, we focus on elliptic measures in the classical setting. We construct a new family of operators with scalar continuous coefficients whose elliptic measures are absolutely continuous with respect to the Hausdorff measures on Koch-type symmetric snowflakes. This family enriches the collection of a few known examples of elliptic measures which behave very differently from the harmonic measure and the elliptic measures of operators close in some sense to the Laplacian. Plus, our new examples are non-compact. Our construction also provides a possible method to construct operators with this type of behaviour for other fractals that possess enough symmetries
Shen, Lin-hong, i 沈林弘. "Homogenization of some special degenerate second order linear elliptic operators and its numerical computation". Thesis, 2014. http://ndltd.ncl.edu.tw/handle/09316679482569904004.
Pełny tekst źródła國立清華大學
數學系
103
Abstract Homogenization of some special degenerate second order linear elliptic operators and its numerical computation Lin-Hong Shen, Avisor:Assistant Professor Chia-Chieh Chu Department of Mathematics National Tsing Hua University, Hsin-Chu City,Taiwan In many area, homogenization is an alternative way to find out the asymptotic behaviour of partial differential equation. This arti- cle is about homogenization process of degenerate second order linear elliptic operators. In this article, we give both theoretical and com- putational analysis to the asymptotic behaviour of the solution of the equation. −div(a( x )Duh) = f on Ω , uh |∂Ω= 0 on ∂Ω , when Eh tends to zero, where aij (x) is Y -periodic, nonnegative defi- nite for almost every x in domain Ω and vanishes at some points in Ω. We find out that the homogenization process of degenerate ellip- tic equation in rectangle domain is still available for some particular coefficient functions with its inverse is integrable Key words: homogenization, degenerate elliptic equation, asymp- totic behaviour, numerical analysis
Książki na temat "Degenerate elliptic operators"
Popivanov, Peter R. The degenerate oblique derivative problem for elliptic and parabolic equations. Berlin: Akademie Verlag, 1997.
Znajdź pełny tekst źródłaCannarsa, Piermarco. Global Carleman estimates for degenerate parabolic operators with applications. Providence, Rhode Island: American Mathematical Society, 2016.
Znajdź pełny tekst źródłaWorkshop in Nonlinear Elliptic Partial Differential Equations (2009 Université libre de Bruxelles). Nonlinear elliptic partial differential equations: Workshop in celebration of Jean-Pierre Gossez's 65th birthday, September 2-4, 2009, Université libre de Bruxelles, Belgium. Redaktorzy Gossez J. P. 1943- i Bonheure Denis. Providence, R.I: American Mathematical Society, 2011.
Znajdź pełny tekst źródłaEpstein, Charles L., i Rafe Mazzeo. Degenerate Diffusion Operators Arising in Population Biology (AM-185). Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691157122.001.0001.
Pełny tekst źródłaEpstein, Charles L. Degenerate diffusion operators arising in population biology. 2013.
Znajdź pełny tekst źródłaKrylov, Nikolai. Probabilistic methods of investigating interior smoothness of harmonic functions associated with degenerate elliptic operators. Edizioni della Normale, 2007.
Znajdź pełny tekst źródłaEpstein, Charles L., i Rafe Mazzeo. Introduction. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691157122.003.0001.
Pełny tekst źródłaCzęści książek na temat "Degenerate elliptic operators"
Levendorskii, Serge. "General Calculus of Pseudodifferential Operators". W Degenerate Elliptic Equations, 9–73. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1215-6_2.
Pełny tekst źródłaLevendorskii, Serge. "Spectral Asymptotics of Degenerate Elliptic Operators". W Degenerate Elliptic Equations, 301–34. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1215-6_11.
Pełny tekst źródłaLevendorskii, Serge. "Model Classes of Degenerate Elliptic Differential Operators". W Degenerate Elliptic Equations, 75–127. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1215-6_3.
Pełny tekst źródłaLevendorskii, Serge. "General Classes of Degenerate Elliptic Differential Operators". W Degenerate Elliptic Equations, 129–62. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1215-6_4.
Pełny tekst źródłaLevendorskii, Serge. "L p — Theory for Degenerate Elliptic Operators". W Degenerate Elliptic Equations, 171–85. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1215-6_6.
Pełny tekst źródłaLevendorskii, Serge. "Spectral Asymptotics of Hypoelliptic Operators with Multiple Characteristics". W Degenerate Elliptic Equations, 335–87. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1215-6_12.
Pełny tekst źródłaLevendorskii, Serge. "Degenerate Elliptic Operators in Non — Power — Like Degeneration Case". W Degenerate Elliptic Equations, 163–70. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1215-6_5.
Pełny tekst źródłaLevendorskii, Serge. "Some Classes of Hypoelliptic Pseudodifferential Operators on Closed Manifold". W Degenerate Elliptic Equations, 203–44. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1215-6_8.
Pełny tekst źródłaKohn, J. J. "Lectures on Degenerate Elliptic Problems". W Pseudodifferential Operators with Applications, 89–151. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-11092-4_5.
Pełny tekst źródłaLevendorskii, Serge. "Algebra of Boundary Value Problems for Class of Pseudodifferential Operators which Change Order on the Boundary". W Degenerate Elliptic Equations, 245–78. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1215-6_9.
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