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15
Math.TechQA.Club
2023-07-26 20:03:39
51
Views
How to show the equivalence between different versions of the spectral theorem?
Published on
26 Jul 2023 - 20:03
#quantum-mechanics
#linear-algebra
27
Views
How to derive the formulas of the spin-weighted spheroidal eigenvalues (2.16a)-(2.16g) in arXiv:gr-qc/0511111?
Published on
27 Mar 2026 - 13:48
#sequences-and-series
#mathematical-physics
#quantum-mechanics
#continued-fractions
#programming
82
Views
How exactly does tensor contraction work with higher rank tensors?
Published on
03 Aug 2023 - 2:10
#linear-algebra
#tensors
#quantum-mechanics
45
Views
Moving the derivative inside the integral in Schrodinger equation
Published on
04 Aug 2023 - 14:48
#real-analysis
#integration
#quantum-mechanics
110
Views
Why can we crank up the variable $\lambda$ in perturbation theory?
Published on
27 Mar 2026 - 18:08
#sequences-and-series
#power-series
#mathematical-physics
#quantum-mechanics
#geometric-series
108
Views
Fourier integral representation of dirac delta function
Published on
09 Aug 2023 - 1:45
#fourier-analysis
#distribution-theory
#quantum-mechanics
125
Views
Parity in the Schrödinger equation of the hydrogen atom
Published on
23 Feb 2026 - 15:10
#physics
#quantum-mechanics
#parity
#even-and-odd-functions
41
Views
Proving limit exists and is positive for smooth function involving integral
Published on
10 Aug 2023 - 14:42
#real-analysis
#functional-analysis
#complex-analysis
#partial-differential-equations
#quantum-mechanics
109
Views
Fourier Transform Duals and Multi-Variable Chain Rule
Published on
16 Aug 2023 - 17:39
#multivariable-calculus
#fourier-transform
#quantum-mechanics
56
Views
Showing $L_j=-i\hbar~\varepsilon_{jk\ell} x_k\partial_\ell,$ is hermitian by integration by parts
Published on
20 Aug 2023 - 17:21
#integration
#multivariable-calculus
#mathematical-physics
#quantum-mechanics
46
Views
Are two linear mappings $M$ and $N$ on $\mathcal{S}(H_A \otimes H_B)$ equal if they have same behaviour on product states?
Published on
26 Mar 2026 - 11:00
#linear-algebra
#matrices
#tensor-products
#quantum-mechanics
#quantum-information
51
Views
inner product (Bra - Ket) involving projection operator
Published on
26 Mar 2026 - 4:32
#linear-algebra
#quantum-mechanics
#projection-matrices
#quantum-computation
46
Views
Reading off probabilities for measurement outcome rather than using projection operator?
Published on
27 Mar 2026 - 19:31
#linear-algebra
#quantum-mechanics
#projection-matrices
85
Views
Existence of unitary operator affecting partial trace?
Published on
26 Mar 2026 - 1:09
#linear-algebra
#matrices
#quantum-mechanics
#unitary-matrices
#quantum-computation
40
Views
"Probability flux": Imaginary part
Published on
28 Aug 2023 - 8:52
#probability
#complex-numbers
#quantum-mechanics
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