Ivan Kaygorodov. Completed Ph.D. in Algebra, Mathematical Logic and Number Theory on 09/16/2010 at Sobolev Institute of Mathematics, Master in Philosophy on 06/30/2010 at Novosibirsk State University, Master in Mathematics on 06/30/2007 at Novosibirsk State University, Bachelor in Mathematics in 06/30/2005 at Novosibirsk State University and received the Habilitation (Agregação) from the University of Beira Interior in 14/03/2023. He is a Principal Researcher at the Center for Mathematics and Applications - University of Beira Interior.