Volume 60, Issue 3 | Semigroup Forum

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Volume 60, Issue 3

May 2000

14 articles in this issue

Schrödinger Operators with Singular Complex Potentials as Generators: Existence and Stability
V. Liskevich
P. Stollmann
Pages: 337 - 343
The Embedding of Some Ordered Semigroups into Ordered Groups
N. Kehayopulu
M. Tsingelis
Pages: 344 - 350
A Class of Idempotent Semirings
M. K. Sen
Y. Q. Guo
K. P. Shum
Pages: 351 - 367
TK-operator Semigroups for Cryptogroups
L.-M. Wang
Pages: 368 - 384
On the Semigroup of Q-monotone Symplectic Operators
Y. Chae
Y. Lim
Pages: 385 - 395
Preorderings on Semigroups and Semirings of Right Quotients
J. Cimpric
Pages: 396 - 404
All 2-Solid Varieties of Semigroups
J. Koppitz
Pages: 405 - 423
Trace-kernel-operator Semigroups of Bisimple omega-Semigroups
L.-M. Wang
Pages: 424 - 435
Commutative Rings with Finitely Generated Multiplicative Semigroup
D.D. Anderson
J. Stickles
Pages: 436 - 443
On D0L and HDT0L Sets in Monoids
J. Honkala
Pages: 444 - 449
Free Products of Pseudocomplemented Semilattices
T. Katrinák
Z. Heleyová
Pages: 450 - 469
Finite L-trivial Transformation Semigroups
T. Saito
Pages: 470 - 477
The Lie-Trotter Product Formula Does not Hold for Arbitrary Sums of Generators
F. Kühnemund
M. Wacker
Pages: 478 - 485
All Automorphisms of FP ⁺(S _n) are Inner
V. Mazorchuk
Pages: 486 - 490