Peskin & Schroeder equation 3.17
107594
Lie bracket for Lie algebra of $SO(n,m)$
14274
Calculating de Broglie wavelength
131651
Coulomb's law with an $r^3$, not $r^2$, in the denominator
57179
Chemical equation with heat of formation
122670
Explanation for $E~$ not falling off at $1/r^2$ for infinite line and sheet charges?
13829
PDE list of equations, derivative for boundarry condition evaluates to true
101112
Transport equation $u_t + xu_x + u = 0$ with $u(x_0, 0) = \cos(x_0)$
102704
Prove an identity for the continuous integral solution of the conservation law
48756
Why are derivatives in interaction terms treated differently from derivatives in the kinetic term?
155043
Substitution $\partial_\mu \to D_\mu \equiv \partial_\mu + ieA_\mu$ allows the introduction of electromagnetic interactions
88660
Time derivative in Schrödinger equation
122166
Significance of $i$ in the Schrödinger equation
24903
Connection between Schrödinger equation and heat equation
130166
Equivalece of the geodesic equation and the continuity equation for the energy-momentum tensor
121547
Differential equation for Harmonic Motion
126338
limits problem-ordinary sencond order equation
29954
Hartshorne Exercise II. 3.19 (a)