Skip to Main Content

St. Petersburg Mathematical Journal

This journal is a cover-to-cover translation into English of Algebra i Analiz, published six times a year by the mathematics section of the Russian Academy of Sciences.

ISSN 1547-7371 (online) ISSN 1061-0022 (print)

The 2020 MCQ for St. Petersburg Mathematical Journal is 0.68.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

 

Hölder estimates for solutions of degenerate nondivergence elliptic and parabolic equations
HTML articles powered by AMS MathViewer

by A. I. Nazarov
Translated by: the author
St. Petersburg Math. J. 21 (2010), 635-650
DOI: https://doi.org/10.1090/S1061-0022-2010-01109-9
Published electronically: May 20, 2010

Abstract:

We deal with a class of nondivergence type elliptic and parabolic equations degenerating at the coordinate hyperplanes. Assuming that the degeneration is coordinatewise and varies regularly, we prove the Hölder continuity of solutions. Also, the approximative solutions are considered.
References
  • N. V. Krylov and M. V. Safonov, A property of the solutions of parabolic equations with measurable coefficients, Izv. Akad. Nauk SSSR Ser. Mat. 44 (1980), no. 1, 161–175, 239 (Russian). MR 563790
  • M. V. Safonov, Harnack’s inequality for elliptic equations and Hölder property of their solutions, Zap. Nauchn. Sem. Leningrad. Otdel. Mat. Inst. Steklov. (LOMI) 96 (1980), 272–287, 312 (Russian). Boundary value problems of mathematical physics and related questions in the theory of functions, 12. MR 579490
  • O. A. Ladyzhenskaya and N. N. Ural′tseva, Estimates of the Hölder constant for functions satisfying a uniformly elliptic or uniformly parabolic quasilinear inequality with unbounded coefficients, Zap. Nauchn. Sem. Leningrad. Otdel. Mat. Inst. Steklov. (LOMI) 147 (1985), 72–94, 204 (Russian, with English summary). Boundary value problems of mathematical physics and related problems in the theory of functions, No. 17. MR 821476
  • E. B. Fabes and D. W. Stroock, The $L^p$-integrability of Green’s functions and fundamental solutions for elliptic and parabolic equations, Duke Math. J. 51 (1984), no. 4, 997–1016. MR 771392, DOI 10.1215/S0012-7094-84-05145-7
  • N. V. Krylov, Boundedly inhomogeneous elliptic and parabolic equations in a domain, Izv. Akad. Nauk SSSR Ser. Mat. 47 (1983), no. 1, 75–108 (Russian). MR 688919
  • J. J. Kohn and L. Nirenberg, Degenerate elliptic-parabolic equations of second order, Comm. Pure Appl. Math. 20 (1967), 797–872. MR 234118, DOI 10.1002/cpa.3160200410
  • P. Daskalopoulos and K. Lee, Free-boundary regularity on the focusing problem for the Gauss curvature flow with flat sides, Math. Z. 237 (2001), no. 4, 847–874. MR 1854093, DOI 10.1007/PL00004893
  • Richard S. Hamilton, Worn stones with flat sides, A tribute to Ilya Bakelman (College Station, TX, 1993) Discourses Math. Appl., vol. 3, Texas A & M Univ., College Station, TX, 1994, pp. 69–78. MR 1423370
  • P. Daskalopoulos and R. Hamilton, The free boundary in the Gauss curvature flow with flat sides, J. Reine Angew. Math. 510 (1999), 187–227. MR 1696096, DOI 10.1515/crll.1999.046
  • P. Daskalopoulos and Ki-Ahm Lee, Worn stones with flat sides all time regularity of the interface, Invent. Math. 156 (2004), no. 3, 445–493. MR 2061326, DOI 10.1007/s00222-003-0328-1
  • P. Daskalopoulos and Ki-Ahm Lee, Hölder regularity of solutions of degenerate elliptic and parabolic equations, J. Funct. Anal. 201 (2003), no. 2, 341–379. MR 1986693, DOI 10.1016/S0022-1236(02)00045-9
  • Yu. A. Alkhutov, On the Hölder continuity of solutions of second-order degenerate elliptic equations in nondivergence form, Dokl. Akad. Nauk 413 (2007), no. 3, 295–300 (Russian); English transl., Dokl. Math. 75 (2007), no. 2, 231–235. MR 2456743, DOI 10.1134/S1064562407020159
  • —, Harnack’s inequality for solutions of a class of degenerate elliptic equations, Internat. Conf. on Differential Equations and Dynamical Systems (Suzdal′, 2006): Thesis, pp. 22–24. (Russian)
  • Eugene Seneta, Regularly varying functions, Lecture Notes in Mathematics, Vol. 508, Springer-Verlag, Berlin-New York, 1976. MR 0453936
  • Elliott H. Lieb and Michael Loss, Analysis, Graduate Studies in Mathematics, vol. 14, American Mathematical Society, Providence, RI, 1997. MR 1415616, DOI 10.1090/gsm/014
  • A. D. Aleksandrov, Uniqueness conditions and bounds for the solution of the Dirichlet problem, Vestnik Leningrad. Univ. Ser. Mat. Meh. Astronom. 18 (1963), no. 3, 5–29 (Russian, with English summary). MR 0164135
  • N. V. Krylov, Sequences of convex functions, and estimates of the maximum of the solution of a parabolic equation, Sibirsk. Mat. Ž. 17 (1976), no. 2, 290–303, 478 (Russian). MR 0420016
  • A. I. Nazarov and N. N. Ural′tseva, Convex-monotone hulls and an estimate of the maximum of the solution of a parabolic equation, Zap. Nauchn. Sem. Leningrad. Otdel. Mat. Inst. Steklov. (LOMI) 147 (1985), 95–109, 204–205 (Russian, with English summary). Boundary value problems of mathematical physics and related problems in the theory of functions, No. 17. MR 821477
  • Kaising Tso, On an Aleksandrov-Bakel′man type maximum principle for second-order parabolic equations, Comm. Partial Differential Equations 10 (1985), no. 5, 543–553. MR 790223, DOI 10.1080/03605308508820388
  • O. A. Ladyzhenskaya and N. N. Ural′tseva, Lineĭnye i kvazilineĭnye uravneniya èllipticheskogo tipa, Izdat. “Nauka”, Moscow, 1973 (Russian). Second edition, revised. MR 0509265
  • Nikolai Nadirashvili, Nonuniqueness in the martingale problem and the Dirichlet problem for uniformly elliptic operators, Ann. Scuola Norm. Sup. Pisa Cl. Sci. (4) 24 (1997), no. 3, 537–549. MR 1612401
  • Mikhail V. Safonov, Nonuniqueness for second-order elliptic equations with measurable coefficients, SIAM J. Math. Anal. 30 (1999), no. 4, 879–895. MR 1684729, DOI 10.1137/S0036141096309046
Similar Articles
  • Retrieve articles in St. Petersburg Mathematical Journal with MSC (2010): 35B45, 35J70, 35K65
  • Retrieve articles in all journals with MSC (2010): 35B45, 35J70, 35K65
Bibliographic Information
  • A. I. Nazarov
  • Affiliation: Department of Mathematics and Mechanics, St. Petersburg State University, Universitetskiĭ Prospekt 28, Petrodvorets, St. Petersburg 198504, Russia
  • MR Author ID: 228194
  • Email: al.il.nazarov@gmail.com
  • Received by editor(s): September 8, 2008
  • Published electronically: May 20, 2010
  • Additional Notes: The paper is supported by the grant NSh.227.2008.1 and by RFBR grant 08-01-00748

  • Dedicated: To my teacher Nina Nikolaevna Ural′tseva on the occasion of her birthday.
  • © Copyright 2010 American Mathematical Society
  • Journal: St. Petersburg Math. J. 21 (2010), 635-650
  • MSC (2010): Primary 35B45; Secondary 35J70, 35K65
  • DOI: https://doi.org/10.1090/S1061-0022-2010-01109-9
  • MathSciNet review: 2584211