Infinitesimal transformations and Poisson brackets
39011
Understanding Poisson brackets
23535
Describing the Lie algebra structure of a semi-direct product of Lie groups
109471
The eigenvectors of the transpose operator
116159
Derivations on semisimple Lie algebra
144097
eigenvalues and eigenvectors of $vv^T$
94433
Rigorous underpinnings of infinitesimals in physics
61484
Continuously invertible operators
146839
Orthogonal Projection onto the $ {L}_{\infty} $ Unit Ball
20479
Radical of a Lie algebra bracket itself
59021
What is the most general expression for the coordinate representation of momentum operator?
33278
$\delta$ differential notation
55388
Finding nilpotent and diagonalizable operators for a linear transformation $T$
81879
$Av=λv$ basis proof problems
152443
Cosemisimple Hopf algebra and Krull-Schmidt
99285
Why is the change in Hamiltonian for an active infinitesimal canonical transformation defined the way it is?
97994
Orthogonality Relations Exercise, Brezis' Book Functional Analysis
19497
Analogue of spherical coordinates in $n$-dimensions