2024-03-28T21:04:05Z
https://oai.zbmath.org/v1/
oai:zbmath.org:6666426
2016-12-20T13:14:43Z
35
65
Huang, Weizhang
2014
6666426
English
Elsevier (Academic Press), Amsterdam
https://zbmath.org/06666426
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J. Comput. Phys. 274, 230-244 (2014).
65N30; 65N25; 35J25; 35P05
Sign-preserving of principal eigenfunctions in P1 finite element approximation of eigenvalue problems of second-order elliptic operators
j