PPN362162808, Tome 20 (1980)

Sommaire

On a pull-back diagram for orthodox semigroups.

Szendrei, M.B.

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p. 1-10

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Subgroups of free idempotent generated regular semigroups.

Pastijn, F. ; Nambooripad, K.S.S.

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p. 1-8

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S-sets and semigroups of quotients.

Weinert, H.J.

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p. 1-78

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A class of rectangular bands of inverse semigroups.

Pastijn, F. ; Bodt, A. de

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p. 9-12

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Varietes de languages et monoide des parties.

Pin, J.E.

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p. 11-48

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A generalization of the bicyclic semigroup.

Adair, C.L.

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p. 13-26

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Strict radicals of monoids.

Márki, L. ; Strecker, R. ; Mlitz, R.

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p. 27-66

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Topological semilattices with enough closed subsemilattices to separate points.

Stepp, W.

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p. 49-54

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A general purity law for convolution semigroups with discrete Levy measure.

Janssen, A.

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p. 55-72

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Varieties generated by semigroups of order four.

Edmunds, C.C.

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p. 67-82

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On the quasivarieties generated by finite semigroups.

Sapir, M.V.

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p. 73-88

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The average rank of a product of transformations.

Roush, F.W. ; Kim, K.H.

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p. 79-86

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Varietal free products of bands.

Olin, P.

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p. 83-88

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Prime radical theorem on ordered semigroups.

Hoo, C.S. ; Shum, K.P.

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p. 87-94

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Another semigroup characterization of the simple closed curve.

Subbiah, S. ; Magill, K.D. jr.

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p. 89-90

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Augmentations and wreath products of monoids.

Lallement, Gerard

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p. 89-90

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Closure operators on languages and binary relations.

Anderson, J.

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p. 91-92

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Strong endomorphisms of TT-connected automata

Thierrin, G. ; Paradis, A.

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p. 91-93

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On completely regular semigroups.

Steinfeld, O.

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p. 93-94

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Bibliographical Items

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p. 94

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Simplicity for a class of convolution algebras.

Aizley, P.

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p. 95-100

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Epimorphisms and semilattices of semigroups.

Crawley, J.

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p. 95-112

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Generalized Greenfs theories.

Carruth, J.H. ; Clark, C.E.

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p. 95-128

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Morita Equivalence of Monoids.

Barja, J.M. ; G-Rodeja, F.G.

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p. 101-106

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On finite J-trivial monoids.

Straubing, H.

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p. 107-110

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On intra-regular ve-semigroups.

Kehayopulu, N.

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p. 111-122

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Complete co-atomic lattices with enough primes.

Evans, E.

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p. 113-126

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Regularity and complete distributivity.

Bandelt, H.J.

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p. 123-126

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Monoids of languages admitting ring structures.

Shyr, H.J. ; Chu, D.C.

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p. 127-132

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Semigroups with each element disjunctive.

Thierrin, G. ; Jürgensen, H.

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p. 127-142

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Primary ideals in semigroups.

Anjaneyulu, A.

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p. 129-144

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Homomorphisms of semilattices of semigroups.

Osondu, K.E.

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p. 133-138

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Flatness in varieties of normal bands.

Bulman-Fleming, S. ; McDowell, K.

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p. 139-150

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The universal group of homogeneous quotients.

Osondu, K.E.

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p. 143-152

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On E-m semigroups which are bands of t-archimedean semigroups.

Varisco, A.

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p. 145-150

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The free algebra in the variety generated by quasi-trivial semigroups

Länger, H.

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p. 151-156

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Lattices of order ideals on ordered semigroups.

Shum, K.P. ; Kwan, S.Y.

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p. 151-176

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Joint continuity of affine semigroup actions.

Helmer, D.

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p. 153-166

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Purity in the category of M-sets.

Normak, P.

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p. 157-170

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Une representation fidèle des groupes d'un monoïde de relations binaires sur un ensemble fini.

LeRest, E. ; LeRest, M.

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p. 167-172

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The finiteness of a base of indentities for fiveelement monoids

Tishchenko, A.V.

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p. 171-186

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Sur le calcul du monoïde syntaxique d'un sous monoïde finiment engendré.

LeRest, E. ; LeRest, M.

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p. 173-186

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Endomorphism monoids of free acts and 0-wreath products of monoids, I. Annihilator properties.

Knauer, U. ; Mikhalev, A.

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p. 177-188

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Semigroup literature.

Diodato, V.P.

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p. 187-188

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Cancellative subsemigroups of archimedean semigroups.

Putcha, M.S.

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p. 187-194

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Endomorphism monoids of free acts and 0-wreath products of monoids, II. Regularity.

Knauer, U. ; Mikhalev, A.

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p. 189-198

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Lattice isomorphisms of commutative relatively free semigroups.

Ovsyannikov, A.J.

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p. 189-226

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Complementation and inner automorphism regular semigroups.

Loganathan, M.

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p. 195-204

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On optimal factorization of free semigroups into free subsemigroups.

Capocelli, R.M.

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p. 199-212

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Biordered sets and complemented modular lattices.

Pastijn, F.

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p. 205-220

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The intersection graph on an ordered commutative semigroup.

Pondelicek, B.

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p. 213-218

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The structure of semitopological monoids defined on compact connected 3-manifolds.

Ruppert, W.

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p. 219-246

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Sums equal to products in ßN.

Hindman, N.

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p. 221-256

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Orthodox semigroups.

Venkatesan, P.S.

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p. 227-232

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A new notion in the theory of semigroups.

Satko, L. ; Grosek, O.

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p. 233-240

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Semigroups with [ x] [ y] = [y][x].

DeVun, E. D.

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p. 241-254

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Flatness and projectivity in commutative regular semigroups.

Bulman-Fleming, S. ; McDowell, K.

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p. 247-260

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Embedding inverse semigroups in coset semigroups.

McAlister, D.B.

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p. 255-268

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A probabilistic approach to representation formulae for semigroups of operators with rates of convergence.

Butzer, P.L. ; Hahn, L.

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p. 257-272

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A note on angular semigroups.

Yuan, J.

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p. 261-266

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A projective limit characterization of GIF semigroups with an N-congruence.

Lord, J.M.

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p. 267-282

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On quasi-transitive semigroup actions.

Sikdar, K.

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p. 269-280

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Idempotent Boolean matrices.

Mukherjea, A. ; Chaudhuri, R.

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p. 273-282

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Factorizable as a finiteness condition.

D' Alarcao, H.

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p. 281-282

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On injective and flat commutative regular semigroups.

Anderson, J.A. ; Head, T.

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p. 283-284

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Order relations on symmetric semigroups of transformations and on their homomorphic images.

Mogilevskii, M.G.

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p. 283-306

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Subsemigroups of the finite complexes of a group.

Pedersen, F.P. ; Sizer, W.S.

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p. 285-292

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Fundamental order relations on inverse semigroups and on their generalizations.

Goberstein, Simon M.

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p. 285-328

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A partically ordered space which is not a Priestely space.

Stralka, A.

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p. 293-298

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Zur Théorie der stetigen Teilbarkeitshalbgruppen.

Bosbach, B.

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p. 299-318

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On 0-simple semigroups admitting ring structure.

Satyanarayana, M.

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p. 307-312

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Quasi commutative semigroups and a-reflective semigroups.

Varisco, A. ; Cherubini, Spoletini A.

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p. 313-322

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Archimedisch Teilbarkeitshalbgruppen und Quaderalgebren.

Bosbach, B.

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p. 319-334

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The exponent semigroup of a semigroup satisfying (XY)3 = x3 Y3.

Kobayashi, Y.

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p. 323-330

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On the orders of the subsemigroups of the symmetrical semigroup Jn.

Todorov, K.

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p. 329-336

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F-regular and F-orthodox semigroups.

Edwards, C.C.

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p. 331-346

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A band generated by two semilattices is regular.

Jones, P.R.

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p. 335-342

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On semigroups with minimal or maximal condition on left congruences.

Kozhukhov, I.E.

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p. 337-350

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The Hopf property and K-free products of semigroups.

Jones, P.R.

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p. 343-368

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Function spaces on semitopological semigroups.

Milnes, P. ; Pym, J.S.

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p. 347-354

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The growth functions of finitely generated semigroups.

Trofimov, V.l.

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p. 351-360

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Endomorphism monoids of free acts and 0-wreath products of monoids III.

Knauer, U. ; Mikhalev, A.

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p. 355-370

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Unifying congruences on S(I).

Magill, K.D. jr. ; Misra, P.R. ; Tewari, U.B.

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p. 361-372

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Convolutions of probability measures on semigroups.

Kinzl, F.

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p. 369-384

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Quasi-ideals in rings and semigroups

Steinfeld, O.

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p. 371-372

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Describing uniform bands in terms of uniform semilattices.

Mills, J.E.

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p. 373-382

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Problems about semitopological semigroups.

Berglund, J.F.

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p. 373-384

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On semitopological compactifications of nonabelian groups.

Ruppert, W.

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p. 383-389

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Baer-Stone semigroups.

Swamy, U.

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p. 385-386

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Semigroups and lattices.

Rankin, S. ; Johnson, J.

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p. 385-386

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Continuous modular lattices of breadth two.

Lea, J.W.

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p. 387-388

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A note on endomorphism semigroups.

Foster, A.

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p. 387-389

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