Diagonalizable Endomorphisms of finite-dimensional vectorspaces
36613
Prove that simultaneously diagonalizable matrices commute
111689
Surjective, but not injective endomorphism
69893
An inner product space and its proper closed subspace with trivial orthogonal complement
104505
Is every normal subgroup the kernel of some endomorphism?
92510
Proving a vector space is infinite-dimensional
41611
Open and closed set in n by n matrices space.
108567
Nielsen & Chuang Exercise 2.2 - “Matrix representations: example”
75215
Properties of invertible matrices
87451
Construction of matrices under ZFC axioms
55230
Dimension of set of commutable matrices
18373
Can infinite-dimensional vector spaces be decomposed into direct sum of its subspaces?
104374
Diagonalizability of an involution over a Field
141794
Invariant subspaces of specific dimension
110325
proof of basic fact that torus actions are diagonalizable
113671
Frobenius Automorphism as a linear map
52354
Given a idempotent endomorphism, show that $M = \ker(f) \oplus \ker (f-\text{id}_M)$
47653
Cantor diagonalization and fundamental theorem