Approximation by positive operators Tsuyoshi AndoTakashi SekiguchiTeruo Suzuki OriginalPaper Pages: 273 - 282
Nilpotent fixed point free automorphism groups of solvable groups Thomas R. Berger OriginalPaper Pages: 305 - 312
Über die Erzeugung von Faltungshalbgruppen auf beliebigen lokalkompakten Gruppen Eberhard Siebert OriginalPaper Pages: 313 - 333
Correction to “a class of rank three affine planes” Michael J. Kallaher OriginalPaper Pages: 335 - 337
A convergence theorem for selfadjoint operators applicable to Dirac operators with cutoff potentials Rainer Wüst OriginalPaper Pages: 339 - 349
A spectral gap theorem for Dirac operators with central field Upke-Walther Schmincke OriginalPaper Pages: 351 - 356
The non-simplicity of certain categories of topological spaces Darrell W. HajekRichard G. Wilson OriginalPaper Pages: 357 - 359
Schrödinger operators with singular magnetic vector potentials Barry Simon OriginalPaper Pages: 361 - 370