New posts in linear-algebra

Determinant of matrix with binomial coefficients entries

linear-algebra matrices determinant matrix-calculus matrix-decomposition

Second directional derivative and Hessian matrix

linear-algebra multivariable-calculus eigenvalues-eigenvectors hessian-matrix

Annihilator of a vector space $V$ is the zero subspace of $V^*$

linear-algebra abstract-algebra linear-transformations dual-spaces

Let $A,B\in M_2(\mathbb{C})$ such that $A^2+B^2=3AB$. Prove or disprove that $ \det(AB+BA)=\det(2AB). $

linear-algebra matrices

Use row reductions to show $det(T)=0$

linear-algebra matrices determinant

The real vector space $M_n(\mathbb{R})$ cannot be spanned by nilpotent matrices, for any positive integer $n.$. True or False $?$ [duplicate]

linear-algebra

Dimension of the space of algebraic Riemann curvature tensors

linear-algebra combinatorics differential-geometry representation-theory

All Invariant Subspaces of a Linear Transformation

linear-algebra vector-spaces eigenvalues-eigenvectors

Is it possible to define an inner product such that an arbitrary operator is self adjoint?

linear-algebra functional-analysis vector-spaces inner-products adjoint-operators

Non-examples for the Kato-Rellich Theorem

linear-algebra functional-analysis partial-differential-equations hilbert-spaces examples-counterexamples

Multiplicity of eigenvalues

linear-algebra

Dot product in coordinates

geometry linear-algebra

Relate the singular values of $A$ and $\frac{A^T+A}{2}$

linear-algebra matrices

Book for studying Linear Algebra

linear-algebra reference-request book-recommendation

Invertiblity of the Derivative Matrix ?! (to use Inverse function Theorem)

real-analysis linear-algebra derivatives determinant implicit-function-theorem

How to rotate a matrix by 45 degrees?

linear-algebra matrices rotations

No solutions to a matrix inequality?

linear-algebra stochastic-matrices

is $\det(A^2 + I)$ always non negative?

linear-algebra determinant

Monotone matrix

linear-algebra matrices

Primary decomposition problem

linear-algebra