Vítor Hugo Fernandes

Departamento de Matemática

vhf at fct unl pt (email)

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Fernandes, Vitor H. "The monoid of all injective orientation preserving partial transformations on a finite chain." Comm. Algebra. 28 (2000): 3401-3426.Website
Fernandes, V. H. "The monoid of all injective order preserving partial transformations on a finite chain." Semigroup Forum. 62 (2001): 178-204.
Dimitrova, I., Vítor H. Fernandes, and J. Koppitz. "The maximal subsemigroups of semigroups of transformations preserving or reversing the orientation on a finite chain." Publicationes Mathematicae Debrecen. 81.1-2 (2012): 11-29.

Recent Publications

  • Oriented transformations on a finite chain: another description
  • Endomorphisms of semigroups of oriented transformations
  • On the Rank of Monoids of Endomorphisms of a Finite Directed Path
  • On the monoid of partial isometries of a finite star graph
  • Partial Automorphisms and Injective Partial Endomorphisms of a Finite Undirected Path
  • The Vagner-Preston representation of a block-group
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