Vitalii Roman'kov (romankov@math.omsu.omskreg.ru)
Omsk State University (Russia),
Nazif Khisamiev (hisamiev@mail.ru)
East-Kazakhstan Technical University (Kazakhstan)
We study the interrelations between constructivizations of a
commutative associative ring K with unit and the matrix groups
GLn(K), SLn(K) and UTn(K). We also study constructible ordered groups in the signature of ordered groups.