Issues with the chain rule in derivatives in chiral perturbation theory
65100
Derivative of the product of operators and Derivative of exponential
123911
Why is the derivative of a vector orthogonal to the vector itself?
116520
formula for the $n$th derivative of $e^{-1/x^2}$
122474
Inconsistency with partial derivatives as basis vectors?
71885
Derivatives of $ \frac{1}{r} $ and Dirac delta function
29952
Time-ordering vs normal-ordering and the two-point function/propagator
90818
Can't Prove formula from Sakurai's Modern QM @ Perturbation Theory
45071
Having the derivative be an operator
44239
Why the extra term $\frac{1}{2}(\partial_{\rho}A^{\rho})^2$ in the photon Lagrangian?
116832
Appearance of Formal Derivative in Algebra
80596
Ambiguities in the energy-momentum tensor
885
Why is the 2nd derivative written as $\frac{\mathrm d^2y}{\mathrm dx^2}$?
29470
Problem involving Derivative and Antiderivative operators in Hoffman and Kunze's Linear Algebra
17414
Lagrangian of an effective potential
103579
Why are the zeroth order terms in degenerate perturbation theory the eigenstates of the perturbing Hamiltonian?
27862
Symbols of derivatives
38103
A No-Nonsense Introduction to Quantum Field Theory