Non-uniqueness of Lagrangian and quantization
42414
Why there is no unique "recipe" for quantization of a classical theory?
45363
Show that both mixed partial derivatives exist at the origin but are not equal
94433
Rigorous underpinnings of infinitesimals in physics
103460
Normal but not hermitian nor unitary
35509
Noether's Theorem: Lie groups vs. Lie algebras; finite vs. infinitesimal symmetries
18054
Is there a proof from the first principle that the Lagrangian L = T - V?
44282
How do I show that there exists variational/action principle for a given classical system?
3603
Lagrangian and Hamiltonian EOM with dissipative force
99312
Why Lagrangian is negative number for a relativistic massive point particle?
13644
Is the change in the Lagrangian always a total derivative for symmetry transformations of the action?
153727
Constant term in Lagrangian
17588
Can Lagrangian be thought of as a metric?
150674
Uniqueness in existence of a bilinear form
18825
Integrable but not differentiable function
22279
Local and Global Symmetries
49300
How does non-Abelian gauge symmetry imply the quantization of the corresponding charges?
48068
Any good resources for Lagrangian and Hamiltonian Dynamics?