Linear Algebra, Hoffman and Kunze's book. Chapter about linear functionals
141674
Given $n$ linear functionals $f_k(x_1,\dotsc,x_n) = \sum_{j=1}^n (k-j)x_j$, what is the dimension of the subspace they annihilate?
144656
Linear functional and a bounded norm
87636
A Product function for matrix products
126115
Riesz representation and vector-valued functions
137209
Finding the Matrix of a Linear Operator Satisfying a Polynomial
125889
Determinant of rank-one perturbations of (invertible) matrices
46776
A good commutative algebra book
150387
Questions about matrix rank, trace, and invertibility
83970
Proof of an elementary property of Projection Operators
149086
Determining $\mbox{tr}(A)$ and $\det(A)$ as functions of the eigenvalues of a matrix
28731
Banach space in functional analysis
152590
At most finitely many (Hamel) coordinate functionals are continuous - different proof
112548
Existence of non-trivial linear functional on any vector space
39835
Good book for self study of functional analysis
156877
Rank-one perturbation proof
84448
Any positive linear functional $\phi$ on $\ell^\infty$ is a bounded linear operator and has $\|\phi \| = \phi((1,1,...)) $
78344
Nonconstant linear functional on a topological vector space is an open mapping