Universität zu Köln

Beygmohammadi, Maryam and Sweers, Guido ORCID: 0000-0003-0180-5890 (2017). HOPF'S BOUNDARY TYPE BEHAVIOR FOR AN INTERFACE PROBLEM. J. Korean. Math. Soc., 54 (1). S. 249 - 266. SEOUL: KOREAN MATHEMATICAL SOC. ISSN 2234-3008

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Abstract

Interface problem here refers to a second order elliptic problem with a discontinuous coefficient for the second order derivatives. For the corresponding boundary value problem, the maximum principle still holds but Hopf's boundary point lemma may fail. We will give an optimal power type estimate that replaces Hopf's lemma at those boundary points, where this coefficient jumps.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Beygmohammadi, Maryam UNSPECIFIED UNSPECIFIED UNSPECIFIED Sweers, Guido UNSPECIFIED orcid.org/0000-0003-0180-5890 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-247112
DOI:	10.4134/JKMS.j150715
Journal or Publication Title:	J. Korean. Math. Soc.
Volume:	54
Number:	1
Page Range:	S. 249 - 266
Date:	2017
Publisher:	KOREAN MATHEMATICAL SOC
Place of Publication:	SEOUL
ISSN:	2234-3008
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Mathematics and Computer Science > Mathematical Institute
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language Mathematics, Applied; Mathematics Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/24711