Physical Background to the K-Theory Classification of D-Branes: Introduction and References.- Physical Background to the K-Theory Classification of D-Branes: Introduction and References.- Bundles over a Space and Modules over an Algebra.- Generalities on Bundles and Categories.- Vector Bundles.- Relation Between Vector Bundles, Projective Modules, and Idempotents.- K-Theory of Vector Bundles, of Modules, and of Idempotents.- Principal Bundles and Sections of Fibre Bundles: Reduction of the Structure and the Gauge Group I.- Homotopy Classification of Bundles and Cohomology: Classifying Spaces.- Homotopy Classes of Maps and the Homotopy Groups.- The Milnor Construction: Homotopy Classification of Principal Bundles.- Fibrations and Bundles: Gauge Group II.- Cohomology Classes as Homotopy Classes: CW-Complexes.- Basic Characteristic Classes.- Characteristic Classes of Manifolds.- Spin Structures.- Versions of K-Theory and Bott Periodicity.- G-Spaces, G-Bundles, and G-Vector Bundles.- Equivariant K-Theory Functor KG : Periodicity, Thom Isomorphism, Localization, and Completion.- Bott Periodicity Maps and Clifford Algebras.- Gram-Schmidt Process, Iwasawa Decomposition, and Reduction of Structure in Principal Bundles.- Topological Algebras: G-Equivariance and KK-Theory.- Algebra Bundles: Twisted K-Theory.- Isomorphism Classification of Operator Algebra Bundles.- Brauer Group of Matrix Algebra Bundles and K-Groups.- Analytic Definition of Twisted K-Theory.- The Atiyah-Hirzebruch Spectral Sequence in K-Theory.- Twisted Equivariant K-Theory and the Verlinde Algebra.- Gerbes and the Three Dimensional Integral Cohomology Classes.- Bundle Gerbes.- Category Objects and Groupoid Gerbes.- Stacks and Gerbes.- Erratum.
