of group theory, the Baer–Specker group, or Specker group, named after Reinhold Baer and Ernst Specker, is an example of an infinite Abelian group which...

Specker (born 1918), Swiss sports shooter Specker See, lake in Mecklenburg-Vorpommern, Germany Specker sequence, bounded sequence Baer–Specker group,...

group is a torsion-free abelian group that is "small" in a sense that is made precise in the definition below. Let ZN denote the Baer–Specker group,...

Erdős. Specker received his Ph.D. in 1949 from ETH Zurich, where he remained throughout his professional career. Specker sequence Baer–Specker group Ernst...

direct product of infinitely many copies of the infinite cyclic group (the Baer–Specker group). This factor represents the singular homology classes of loops...

introduced injective modules in 1940. He is the eponym of Baer rings and Baer groups. Baer studied mechanical engineering for a year at Leibniz University...

infinite families of free abelian groups, the direct product is not necessarily free abelian. For instance the Baer–Specker group Z N {\displaystyle \mathbb...

not free. Another classical example of such a module is the Baer–Specker group, the group of all sequences of integers under termwise addition. In general...

cartesian product of free modules is generally not free (cf. the Baer–Specker group). A finitely generated module over a commutative local ring is free...

Emmanuelle Devos, Mathieu Amalric, Anne Consigny, Michel Vuillermoz, Édouard Baer, Annie Cordy 30 The Twilight Saga: Eclipse Summit Entertainment David Slade...