Vítor Hugo Fernandes

Departamento de Matemática

vhf at fct unl pt (email)

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Journal Article
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.
Fernandes, V. H. "The monoid of all injective order preserving partial transformations on a finite chain." Semigroup Forum. 62 (2001): 178-204.
Fernandes, Vitor H. "The monoid of all injective orientation preserving partial transformations on a finite chain." Comm. Algebra. 28 (2000): 3401-3426.Website

Recent Publications

  • On monoids of monotone partial transformations of a finite chain whose domains and ranges are intervals
  • On the monoid of partial order-preserving transformations of a finite chain whose domains and ranges are intervals
  • On oriented alternating inverse monoids
  • On monotone alternating inverse monoids
  • Groups of permutations preserving orientation (parity) of subsets of a fixed size, and related monoids
  • Presentations for monoids of endomorphisms of a star graph
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