Basic Analysis: Vector spaces, Linear transformation between vector spaces, Basic inequalities, Metric spaces and its properties. Convergence, Cauchy sequence, Completeness.
Norms and Normed linear spaces: Definitions and properties, Convergence, Cauchy sequence, Completeness.
Banach Spaces, Quotient spaces of Banach spaces, Illustrative examples.
Bounded (continuous)linear operators, Bounded linear functionals, Dual spaces.
Inner product spaces, Hilbert spaces,Illustrative examples of Hilbert spaces,Further properties of Inner product spaces, Schwartz’s inequality, Strong and Weak convergence, Applications of Polarization identity
Orthogonality of vectors, Orthogonal complements, Gram- Schmidt orthonormalization process.
Bessel’s inequality, The conjugate space H*, Riesz representation theorem
Operators on Hilbert spaces: The adjoint operator, Self adjint operator
Positive Operators, Normal Operators, Unitary Operators
Partially ordered set, Zorn’s Lemma, Hahn-Banach Theorem (Normed spaces), Application to bounded linear functional on C[a,b].
Baire’s category theorem, Uniform Boundedness principle and its applications.
Open mapping theorem, Closed graph theorem. An application of the Banach’s theorem.