Open AccessGeneralized Wallace theorems
Author(s) -
Peter V. Danchev,
Patrick W. Keef
Publication year - 2009
Publication title -
mathematica scandinavica
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 0.553
H-Index - 30
eISSN - 1903-1807
pISSN - 0025-5521
DOI - 10.7146/math.scand.a-15083
Subject(s) - mathematics , pure mathematics , mathematical economics , calculus (dental) , medicine , orthodontics
We present a number of generalizations of a classical result of Wallace regarding countable extensions of totally projective primary abelian groups.