Topic: Dual Spaces and Bilinear Forms

Inertia and Signature of a Symmetric Form

Functionals on Polynomial and Matrix Spaces

Dual Bases and Coordinate Extraction

Double Annihilators and Subspace Inclusion

Diagonalizing Symmetric Forms by Congruence

Classifying Symmetric Forms Under Congruence

Change of Basis by Congruence

Bilinear Forms and Their Matrix Representations

Annihilators of Subspaces

Annihilators from Matrix Equations