A question on inner product space
128985
Show that $\langle x,y\rangle_A = \langle Ax,Ay\rangle$ is an inner product on $\mathbb R^n$
28584
Eigenvalues and eigenspaces of AB
131232
Simplifying the expression of a product of inner products
134065
A question about an $n$-dimensional subspace of $\mathbb{F}^{S}$.
115012
Klein-Gordon inner product
69542
Why do the $n \times n$ non-singular matrices form an "open" set?
61038
Understanding the Details of the Construction of the Tensor Product
37060
The Parallelogram Identity for an inner product space
32359
Inner product of two continuous maps is continuous
69893
An inner product space and its proper closed subspace with trivial orthogonal complement
87940
Question about bilinear form on Hilbert space
101079
Inner automorphisms form a normal subgroup of $\operatorname{Aut}(G)$
120766
Prove ${y_n}$ is a basis for a Hilbert space $H$.
71316
Two inner products being equal up to a scalar
78654
An example of a norm which can't be generated by an inner product
90525
The subspace of $\ell_2$
49087
Show that a norm on an inner product space satisfies parallelogram law.