1

Wreath Product of Set-Valued Functors and Tensor Multiplication

Valdis Laan
Journal:
Semigroup Forum
Year:
2005
Language:
english
File:
PDF, 468 KB
english, 2005
2

When Torsion Free Acts are Principally Weakly Flat

Valdis Laan
Journal:
Semigroup Forum
Year:
2000
File:
PDF, 246 KB
2000
3

Context equivalence of semigroups

Valdis Laan
Journal:
Periodica Mathematica Hungarica
Year:
2010
Language:
english
File:
PDF, 182 KB
english, 2010
4

On flatness properties of cyclic acts

Kilp, Mati, Laan, Valdis
Journal:
Communications in Algebra
Year:
2000
Language:
english
File:
PDF, 231 KB
english, 2000
5

Tensor Products and Preservation of Weighted Limits, for S -Posets

Laan, Valdis
Journal:
Communications in Algebra
Year:
2010
Language:
english
File:
PDF, 230 KB
english, 2010
6

PULLBACKS AND FLATNESS PROPERTIES OF ACTS. II

Bulman-Fleming†, Sydney, Kilp, Mati, Laan**, Valdis
Journal:
Communications in Algebra
Year:
2001
Language:
english
File:
PDF, 252 KB
english, 2001
7

PULLBACKS AND FLATNESS PROPERTIES OF ACTS. I

Laan, Valdis
Journal:
Communications in Algebra
Year:
2001
Language:
english
File:
PDF, 208 KB
english, 2001
8

On injective hulls of\(S\)-posets

Zhang, Xia, Laan, Valdis
Journal:
Semigroup Forum
Year:
2015
Language:
english
File:
PDF, 201 KB
english, 2015
9

Fair semigroups and Morita equivalence

Laan, Valdis, Márki, László
Journal:
Semigroup Forum
Year:
2016
Language:
english
File:
PDF, 430 KB
english, 2016
10

On Mono- and Epimorphisms in Varieties of Ordered Algebras

Laan, Valdis, Nasir, Sohail
Journal:
Communications in Algebra
Year:
2015
Language:
english
File:
PDF, 494 KB
english, 2015
11

Weakly torsion free S -posets

Liang, Xingliang, Laan, Valdis, Luo, Yanfeng, Khosravi, Roghaieh
Journal:
Communications in Algebra
Year:
2017
Language:
english
File:
PDF, 753 KB
english, 2017
12

Lazard's Theorem for S -posets

Sydney Bulman-Fleming, Valdis Laan
Journal:
Mathematische Nachrichten
Year:
2005
Language:
english
File:
PDF, 191 KB
english, 2005
13

Strong Morita equivalence of semigroups with local units

Valdis Laan, László Márki
Journal:
Journal of Pure and Applied Algebra
Year:
2011
Language:
english
File:
PDF, 245 KB
english, 2011
15

Generators in the category ofS-posets

Valdis Laan
Journal:
Central European Journal of Mathematics
Year:
2008
Language:
english
File:
PDF, 282 KB
english, 2008
17

Morita invariants for semigroups with local units

Valdis Laan, László Márki
Journal:
Monatshefte für Mathematik
Year:
2012
Language:
english
File:
PDF, 167 KB
english, 2012
18

On Morita Equivalence of Partially Ordered Monoids

Laan, Valdis
Journal:
Applied Categorical Structures
Year:
2014
Language:
english
File:
PDF, 364 KB
english, 2014
20

Acceptable Morita Contexts for Semigroups

Laan, Valdis
Journal:
ISRN Algebra
Year:
2012
Language:
english
File:
PDF, 83 KB
english, 2012
21

On congruence extension properties for ordered algebras

Laan, Valdis, Nasir, Sohail, Tart, Lauri
Journal:
Periodica Mathematica Hungarica
Year:
2015
Language:
english
File:
PDF, 1.32 MB
english, 2015
22

Injective hulls for ordered algebras

Zhang, Xia, Laan, Valdis
Journal:
Algebra Universalis
Year:
2016
Language:
english
File:
PDF, 574 KB
english, 2016
23

Hamiltonian ordered algebras and congruence extension

Laan, Valdis, Sohail, Nasir, Tart, Lauri
Journal:
Mathematica Slovaca
Language:
english
File:
PDF, 417 KB
english
24

Morita equivalence of semigroups revisited: Firm semigroups

Laan, Valdis, Márki, László, Reimaa, Ülo
Journal:
Journal of Algebra
Year:
2018
Language:
english
File:
PDF, 366 KB
english, 2018
25

Morita equivalence of factorizable semigroups

Laan, Valdis, Reimaa, Ülo
Journal:
International Journal of Algebra and Computation
Year:
2019
Language:
english
File:
PDF, 318 KB
english, 2019
26

Monomorphisms in categories of firm acts

Laan, Valdis, Reimaa, Ülo
Journal:
Studia Scientiarum Mathematicarum Hungarica
Year:
2019
Language:
english
File:
PDF, 407 KB
english, 2019