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0505754 - ÚI 2020 RIV US eng J - Journal Article
Gergelits, Tomáš - Mardal, K.-A. - Nielsen, B. F. - Strakoš, Z.
Laplacian Preconditioning of Elliptic PDEs: Localization of the Eigenvalues of the Discretized Operator.
SIAM Journal on Numerical Analysis. Roč. 57, č. 3 (2019), s. 1369-1394. ISSN 0036-1429. E-ISSN 1095-7170
Grant - others:GA ČR(CZ) GC17-04150J
Institutional support: RVO:67985807
Keywords : second order elliptic PDEs * eigenvalues of the discretized preconditioned problem * preconditioning by the inverse Laplacian * nodal values of the coefficient function * Hall's theorem * convergence of the conjugate gradient method
OECD category: Pure mathematics
Impact factor: 2.712, year: 2019
Method of publishing: Limited access
http://dx.doi.org/10.1137/18M1212458
Permanent Link: http://hdl.handle.net/11104/0297150