2000/02/28 by P. Bouwknegt, V. Mathai · 2 citations
Physics and Astronomy · Mathematics · #hep-th #math.DG #math.KT
paper · pdf · doi:10.1088/1126-6708/2000/03/007
published as JHEP 0003:007,2000 · LaTeX2e, 11 pages. Some typos corrected, minor additions including one reference
arxiv created 2000/02/28 · arxiv updated 2014/11/17
In this note we propose that D-brane charges, in the presence of a topologically non-trivial B-field, are classified by the K-theory of an infinite dimensional C^*-algebra. In the case of B-fields whose curvature is pure torsion our description is shown to coincide with that of Witten.