Professor Luis  António de  Almeida Vieira has  a  phd on mathematics   algebra  and  combinatorics.  Next  it becomes a  teacher  on the secondary  school Clara of Resende.  After  he  was a  professor  on the Department  of  Mathematics  of  University of  Aveiro, where  he  gave all  the  units  of  mathematics  of the  first  year .  Next  he  becomes  a  teacher  of  Section of  Mathematics  of Department  of  Civil Engineering of  University  of Porto  where he  is  a  teacher of  the  disciplines of  Analysis and  algebra till  now.  And, presently, he  pretends  to publish didactics books on mathematics namely  on analysis and algebra.