7 Bosonic String

7.1 Classical Theory
7.2 Closed Bosonic String
7.3 Open Bosonic String
7.4 Background Fields

8.1 T-Duality

8.1.1 Closed Bosonic String Compactifications

8.2 Discrete Light Cone: Compactification of Light
8.3 Open Bosonic String Compactifications: D-Branes

8.3.1 D-Brane Dynamics

8.4 Orientifolds

9.1 K3 Geometry. A First Look at Quantum Cohomology
9.2 Mirror Symmetry
9.3 Elliptic Fibrations

9.3.1 Singularities of Type D₄: Z₂ Orbifolds
9.3.2 Singularities of Type A_{n_1}
9.3.3 Singularities of Type D_n+4

9.4 Kodaira's Classification
9.5 Elliptically Fibered K₃

10.1 Worldsheet Supersymmetry
10.2 Green-Schwarz Superstring: String Scan
10.3 The SO(32) Type I Superstring
10.4 Toroidal Compactification of Type IIA and Type IIB Theories. U-duality
10.5 Heterotic String and K3 Surfaces
10.6 Heterotic Compactifications to Four Dimensions.
10.7 Heterotic-Type I Duality
10.8 The Quantum Fate of Moduli Singularities

10.8.1 Small Instantons for Heterotic String on K3
10.8.2 Conifold Singularities for Type II Strings

10.9 Point Particle Limit

11.1 Supersymmetric D-Branes
11.2 D-Brane Scattering

11.2.1 Field Theory Effective Potentials
11.2.2 Brane-Antibrane Scattering

11.3 Elliptic Fibrations and D-7branes
11.4 D-Brane Classical Supergravity Solutions
11.5 D-Branes and Black Holes