9ª aula

27 Março 2023, 14:00 • Maria João Antunes Dias Gouveia

The isomorphism theorems.

Leitura/reading: B&S, 42-50; Bergman book, 47-51

8ª aula

22 Março 2023, 14:00 • Maria João Antunes Dias Gouveia

A variety of algebras; examples. The variety generated by a given class of algebras of the same type. 

Leitura/reading: B&S, Chapter II, section 9

7ª aula

20 Março 2023, 14:00 • Maria João Antunes Dias Gouveia

The class operators I, H, S and P. The preservation of identities of a class of algebras in the classes obtained by using  these operators. 

6ª aula

15 Março 2023, 14:00 • Maria João Antunes Dias Gouveia

Resolution of some exercises of worksheet 1. Congruences on a lattice.

Leitura/reading: Notes week 1 and Notes week 3

5ª aula

13 Março 2023, 14:00 • Maria João Antunes Dias Gouveia

Posets and lattices: lattice as poset and lattice as algebra.

Leitura/reading: B&S, Chapter I, Section 1