Unjustified claim in Kittel about Bloch functions
43490
Deriving Bloch's Theorem
156679
$K[X,Y]/(XY-1)$ not isomorphic to $K[T]$
92193
Problem from Herstein on group theory
90818
Can't Prove formula from Sakurai's Modern QM @ Perturbation Theory
90475
Coordinate-free proof of $\operatorname{Tr}(AB)=\operatorname{Tr}(BA)$?
134128
what does $\cdot^\rho$ mean in the Harish-Chandra function?
34758
Cancellation Law for Direct Sums - What is wrong with this argument?
128524
Proving there is no analytic function
49090
How can I find the $\theta$ and $\phi$ values of a qubit on the Bloch sphere?
43551
Difficulty in understanding a part in a proof from Stein and Shakarchi Fourier Analysis book.
158502
Showing $\sin(\bar{z})$ is not analytic at any point of $\mathbb{C}$
112501
A funtion and its fourier transformation cannot both be compactly supported unless f=0
148355
Regarding Goldstein's claim that $\mathbf{F} = \dot{\mathbf{p}}$
108955
Showing $(\mathbb{Q},+)$ is not isomorphic to $(\mathbb{R},+)$
74482
Counterexample to Leibniz criterion for alternating series
29230
Orthogonality of Hermite functions
78873
How to show that the monomials are not a Schauder basis for $C[0,1]$