Syllabus for Linear Algebra II
Syllabus for the course
Linear Algebra I (0366-111101)
Fall Semester, 2016-17
(Prof. E. Shustin)
1) Elements of the field theory.
Definition. Basic properties. Characteristic. Main examples: Q, R, C, Z/pZ..
(2) Systems of linear algebraic equations.
Equivalence of systems. Matrix of the system. Elementary transformation.
Canonical echelon matrix. Gauss' algorithm. Rank of the matrix. Kronecker's
theorem. Homogeneous systems..
(3) Matrix calculus.
Operations with matrices: addition, subtraction, multiplication by a scalar, transposition, product of matrices. Algebra of square matrices. Matrix
representation of a system of linear equations and its solution. Connection between solutions of homogeneous and non-homogeneous systems. Inverse matrix.
(4) Determinants.
Determinants of the second and third order. Determinants of n-th order expansion by the first row. Main properties: expansion by any row or column, connection with elementary transformations, determinant of a transposed matrix and of the product of matrices. Determinant as a homogeneous polynomial in matrix entries. Adjoint matrix, formula for the inverse matrix, matrix solution of a regular system of linear equations. Cramer's formula.
(5) Linear spaces.
Definition. Examples. Linear dependence. Basis of a linear space. Coordinates. Change of basis. Linear subspace. Span and space of solutions of linear system. Sum and intersection of linear subspaces. Direct sum and transverse intersection.
(6) Linear mappings.
Definition. Examples. Matrix of a linear mapping. Change of basis and change of the matrix of a linear mapping. Kernel, image, rank of a linear mapping. Examples: isomorphism, linear functional, linear operator. Algebra of linear operators.
(7) Linear spaces with scalar product.
Euclidean and unitary spaces. Cauchy-Schwartz inequality. Geometric applications: angle, norm, distance. Orthonormal basis. Gram matrix. Gram matrix of the basis. Transformation of Gram matrix. Gram-Schmidt orthogonalization algorithm, existence of orthonormal basis. Determinant as a volume of a parallelotope. Orthogonal and unitary matrices. Orthogonal complement. Complexification of Euclidean space, realization of unitary space.
Bibliography:
S. Lang. Linear algebra
G. Strang. Linear algebra and its applications.
K. Hoffman, R. Kunze. Linear algebra.
A. Kostrikin, Yu. Manin. Linear algebra and geometry.
אלגברה ליניארית בהוצאת שאום
ש' עמיצור, אלגברה א'
י' גולן, יסודות האלגברה הליניארית,
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