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Feb
7
asked Show that $J_n(x)$ satisfies Bessel equation $ x^2 \frac{d^2 y}{dx^2} + x \frac{dy}{dx} + (x^2 - n^2)y = 0 $
Feb
6
answered Representing a linear operator on $V$ with an element of $V \otimes V^*$
Jan
29
asked Does $\overline{ \sqrt{1 + i}} = \sqrt{1-i} \ $?
Jan
26
answered If $[x+0.19] +[x+0.20] +[x+0.21] +\cdots [x+0.91] =546$ find the value of $[100x]$..
Jan
25
asked express as contour integral $ f(x) = \int_0^\infty dt \; e^{-t/g} \; \frac{1}{\sqrt{1 - 2 t x}} $
Jan
19
asked Show $ \mathbb{F}_2[x]/(x^3 + x^2 + 1) \simeq \mathbb{F}_2[t]/(t^3 + t + 1)$
Jan
19
asked Cartan Lie Algebra of the Unitary Group $U(N)$?
Jan
18
answered Show that $(p \wedge q) \to (p \vee q)$ is a tautology
Jan
16
asked What kind of geometric object is the Pauli spin matrix vector $\vec{\sigma}$?
Jan
15
asked What are the dual polyhedra of the face-centered cubic lattice?
Jan
14
asked density of squarefree numbers in $\mathbb{Z}$ that are 1 mod 4
Jan
14
asked Non-equivalent metrics on $PSL_2(\mathbb{R})$
Jan
8
answered Probability of A waits B at least 10 minutes
Jan
8
answered Book recommendation for rigorous multilinear algebra , tensor analysis, manifolds.
Jan
4
asked What is the minimum polynomial of $x = \sqrt{2}+\sqrt{3}+\sqrt{4}+\sqrt{6} = \cot (7.5^\circ)$?
Dec
29
asked How to write the Adeles over $\mathbb{Q}(i)$?
Dec
27
asked Do the holomorphic or meromorphic functions on a domain $D \subseteq \mathbb{C}$ form a Hilbert space $\mathcal{H}$?
Dec
26
asked How do I simplify: $ \exp \left(-a \frac{\log x}{\log Q} \right) $?
Dec
24
answered Prove that the boy cannot escape the teacher
Dec
24
asked Show that $f(qz) = qz^2 f(z)$ where $f(z) = [\theta(z) \theta(1/z)]^{-1}$