Volume 4; Issue 1

Algebra Universalis

Volume 4; Issue 1
1

Infinitary equational compactness

Year:
1974
Language:
english
File:
PDF, 693 KB
english, 1974
2

Relatively free proucts in regular varieties

Year:
1974
Language:
english
File:
PDF, 252 KB
english, 1974
3

On equationally compact extensions of algebras

Year:
1974
Language:
english
File:
PDF, 916 KB
english, 1974
4

A note on equational compactness

Year:
1974
Language:
english
File:
PDF, 209 KB
english, 1974
5

A note on equationally compact algebras

Year:
1974
Language:
english
File:
PDF, 129 KB
english, 1974
6

Direct limits of Abelian Groups

Year:
1974
Language:
english
File:
PDF, 242 KB
english, 1974
7

Every finite distributive lattice is the congruence lattice of some modular lattice

Year:
1974
Language:
english
File:
PDF, 387 KB
english, 1974
8

Regularity and modularity of congruences

Year:
1974
Language:
english
File:
PDF, 118 KB
english, 1974
9

Automorphisms of 1-unary algebras

Year:
1974
Language:
english
File:
PDF, 775 KB
english, 1974
10

Varieties whose congruences satisfy cerain lattice identities

Year:
1974
Language:
english
File:
PDF, 360 KB
english, 1974
11

Algebraic closure operators and strong amalgamation bases

Year:
1974
Language:
english
File:
PDF, 528 KB
english, 1974
12

Congruences on products of algebras and functionally complete algebras

Year:
1974
Language:
english
File:
PDF, 316 KB
english, 1974
13

Free products of bounded distributive lattices

Year:
1974
Language:
english
File:
PDF, 90 KB
english, 1974
14

On some strongly rigid families of graphs and the full embeddings they induce

Year:
1974
Language:
english
File:
PDF, 1.01 MB
english, 1974
15

Automorphisms of 1-unary algebras II

Year:
1974
Language:
english
File:
PDF, 203 KB
english, 1974
16

Congruence lattices of relatively free unary algebras

Year:
1974
Language:
english
File:
PDF, 47 KB
english, 1974
17

A simplification of the functional completeness proofs of Quackenbush and Sierpinski

Year:
1974
Language:
english
File:
PDF, 81 KB
english, 1974
18

The embedding of a distributive lattice into its ideal lattice is pure

Year:
1974
Language:
english
File:
PDF, 243 KB
english, 1974
19

Automorphism groups of ultrafilters

Year:
1974
Language:
english
File:
PDF, 550 KB
english, 1974
20

Weakly associative lattices with congruence extension property

Year:
1974
Language:
english
File:
PDF, 554 KB
english, 1974
21

Fixed-point property of unary algebras

Year:
1974
Language:
english
File:
PDF, 155 KB
english, 1974
22

Relatively free implicative semi-lattices

Year:
1974
Language:
english
File:
PDF, 825 KB
english, 1974
23

A generalization of the characterization theorem of Boolean extensions

Year:
1974
Language:
english
File:
PDF, 220 KB
english, 1974
24

A completely divisible algebra

Year:
1974
Language:
english
File:
PDF, 83 KB
english, 1974
25

A categorical characterization of Boolean algebras

Year:
1974
Language:
english
File:
PDF, 110 KB
english, 1974
26

P-Algebras, an abstraction from Post algebras

Year:
1974
Language:
english
File:
PDF, 607 KB
english, 1974
27

On generating affine geometries

Year:
1974
Language:
english
File:
PDF, 624 KB
english, 1974
28

Topological convexity lattices

Year:
1974
Language:
english
File:
PDF, 287 KB
english, 1974
29

Lazard's theorem in algebraic categories

Year:
1974
Language:
english
File:
PDF, 129 KB
english, 1974
31

Pure-irreducible mono-unary algebras

Year:
1974
Language:
english
File:
PDF, 457 KB
english, 1974
32

On convex linear forms

Year:
1974
Language:
english
File:
PDF, 201 KB
english, 1974
33

From a lattice to its ideal lattice

Year:
1974
Language:
english
File:
PDF, 458 KB
english, 1974
34

Injective double Stone algebras

Year:
1974
Language:
english
File:
PDF, 422 KB
english, 1974
35

Remark on centralizers

Year:
1974
Language:
english
File:
PDF, 31 KB
english, 1974
36

Diagonal-products and affine completeness

Year:
1974
Language:
english
File:
PDF, 56 KB
english, 1974
37

A note on Whitman's property for free lattices

Year:
1974
Language:
english
File:
PDF, 73 KB
english, 1974
38

Congruence extension property for distributive doublep-algebras

Year:
1974
Language:
english
File:
PDF, 142 KB
english, 1974
39

Amalgamation and epimorphisms in m complete Boolean algebras

Year:
1974
Language:
english
File:
PDF, 112 KB
english, 1974
40

The class of sublattices of normal subgroup lattices is not elementary

Year:
1974
Language:
english
File:
PDF, 289 KB
english, 1974
41

Congruence-preserving functions in quasiprimal varieties

Year:
1974
Language:
english
File:
PDF, 82 KB
english, 1974
42

Characterization of certain classes of pseudo complemented semi-lattices

Year:
1974
Language:
english
File:
PDF, 578 KB
english, 1974
43

Construction of modularp-algebras

Year:
1974
Language:
english
File:
PDF, 627 KB
english, 1974
44

Some annihilator conditions on distributive lattices

Year:
1974
Language:
english
File:
PDF, 321 KB
english, 1974
45

Equationally semi-complete varieties

Year:
1974
Language:
english
File:
PDF, 270 KB
english, 1974
46

Coalgebras in reflective and coreflective subcategories

Year:
1974
Language:
english
File:
PDF, 414 KB
english, 1974
47

Representing groups and semigroups by products in categories of relations

Year:
1974
Language:
english
File:
PDF, 265 KB
english, 1974
48

Uniformity of congruences

Year:
1974
Language:
english
File:
PDF, 827 KB
english, 1974
49

Finite lattices and Jordan-Hölder sets

Year:
1974
Language:
english
File:
PDF, 549 KB
english, 1974
50

Addendum to: ‘Free generation in halfgroupoids’

Year:
1974
File:
PDF, 13 KB
1974