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01 natural sciences 953 0101 mathematics 881 numerical methods for eigenvalue problems for boundary value problems involving pdes 449 0103 physical sciences 246 laplace operator, helmholtz equation (reduced wave equation), poisson equation 199 schrodinger operator, schrodinger equation 197 more ... finite element, rayleigh-ritz and galerkin methods for boundary value problems involving pdes 167 boundary value problems for second-order elliptic equations 157 eigenvalues 150 spectral problems 114 spectral geometry 110 scattering theory on manifolds 108 error bounds for boundary value problems involving pdes 99 general theory of partial differential operators 97 asymptotic distributions of eigenvalues in context of pdes 90 eigenvalue problem 85 eigenfunctions 81 analysis 73 pdes in connection with quantum mechanics 69 general topics in linear spectral theory for pdes 66 selfadjoint operator theory in quantum theory, including spectral analysis 66 eigenvalue 64 02 engineering and technology 57 schrodinger operator 57 variational methods for eigenvalues of operators 56 fos: mathematics 54 convergence 53 closed and approximate solutions to the schrodinger, dirac, klein-gordon and other equations of quantum mechanics 51 numerical examples 51 spectrum, resolvent 51 less ...

springer science and business media llc 285 elsevier bv 198 wiley 75 society for industrial & applied mathematics (siam) 72 american mathematical society (ams) 57 american mathematical society (ams), providence, ri 35 more ... consultants bureau, new york 35 iop publishing 30 springer us, new york, ny; pleiades publishing, new york, ny; maik ``nauka/interperiodica'', moscow 28 european mathematical society - ems - publishing house gmbh 27 aip publishing 26 cambridge university press (cup) 24 taylor \& francis, philadelphia, pa 23 jstor 22 russian academy of sciences - ras (rossiiskaya akademiya nauk - ran), moscow; nauka, moscow 20 steklov mathematical institute 18 walter de gruyter gmbh 18 elsevier, paris 17 duke university press 16 international press of boston 16 springer us, new york, ny; pleiades publishing (allerton press), new york, ny; maik ``nauka/interperiodica'', moscow 14 taylor \& francis, abingdon, oxfordshire 14 cellule mathdoc/cedram 13 edp sciences 13 kyivs'kyi universytet im. tarasa shevchenka, kyiv 12 gauthier-villars, paris 11 sage publications 11 global science press, hong kong; chinese academy of sciences, institute of computational mathematics, beijing 10 lybid', kiev 10 mathematical sciences publishers 9 less ...

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