A-11.1 Vector Arithmetic
A-11.2 Various Types of Matrix
A-11.3 Matrix Arithmetic
A-11.4 Projection
A-11.5 Basis of a Polynomial Ring
A-11.6 Isomorphism between Polynomials and Vectors over Integers (and Ring)
A-11.6.1 Finding Appropriate Modulus $t$
A-11.7 Isomorphism between Polynomials and Vectors over Complex Numbers
A-11.7.1 Isomorphism between ${ℂ}^{\frac{n}{2}}$ and ${\widehat{ℂ}}^n$
A-11.7.2 Isomorphism between ${\widehat{ℂ}}^n$ and $ℝ[X]∕(X^n+1)$
A-11.8 Transforming Basis between Polynomial Ring and Vector Space of Complex Vectors with Real Scalars