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15
Math.TechQA.Club
2026-03-25 19:04:30
84
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$S^3$ hyperspherical harmonics in terms of spherical harmonics
Published on
25 Mar 2026 - 19:04
#harmonic-analysis
#quantum-mechanics
#quantum-field-theory
#gauge-theory
269
Views
Time (only) dependence with respect to the inner product of a wave function in $L^2(\mathbb{R})$
Published on
11 Jul 2016 - 10:54
#hilbert-spaces
#inner-products
#quantum-mechanics
43
Views
Construct a master (possibly hypergeometric) formula from a family of formulas indexed by the half-integers and integers
Published on
26 Mar 2026 - 20:44
#functions
#special-functions
#quantum-mechanics
#hypergeometric-function
#random-matrices
1k
Views
Infinite propagation speed for the Schrödinger equation
Published on
25 Mar 2026 - 6:02
#partial-differential-equations
#mathematical-physics
#quantum-mechanics
#dispersive-pde
1.5k
Views
Complementary text for mathematical Quantum Mechanics lectures
Published on
20 Jul 2016 - 22:02
#functional-analysis
#reference-request
#mathematical-physics
#book-recommendation
#quantum-mechanics
38
Views
Which linear transformations are more abundant: dimension-increasing, dimension-preserving or dimension-decreasing?
Published on
20 Jul 2016 - 22:03
#quantum-mechanics
#vector-fields
729
Views
The completeness relation from QM in terms of inner products
Published on
29 Mar 2026 - 7:19
#functional-analysis
#operator-theory
#trace
#quantum-mechanics
482
Views
Eigenvalue perturbation of singular matrix
Published on
26 Mar 2026 - 17:51
#linear-algebra
#discrete-mathematics
#eigenvalues-eigenvectors
#quantum-mechanics
#perturbation-theory
257
Views
Natural exponential function with noncommutative exponents.
Published on
01 Aug 2016 - 16:37
#exponential-function
#quantum-mechanics
178
Views
"convergence" of unbounded operators on Fock space
Published on
25 Mar 2026 - 13:55
#functional-analysis
#mathematical-physics
#quantum-mechanics
#unbounded-operators
632
Views
About the definition of chemical potential in the context of Density Functional Theory (DFT)
Published on
23 Feb 2026 - 12:08
#lagrange-multiplier
#quantum-mechanics
#functional-calculus
77
Views
What's the exact solutions of the differential equation?
Published on
14 Aug 2016 - 11:35
#partial-differential-equations
#mathematical-physics
#quantum-mechanics
919
Views
If 2d is only length and width, but not depth then can something really exist in 2d?
Published on
17 Aug 2016 - 22:44
#quantum-mechanics
127
Views
How Do I Use a Single Qubit Gate, On a State With Multiple Qubits?
Published on
20 Aug 2016 - 21:08
#linear-algebra
#matrices
#vector-spaces
#vectors
#quantum-mechanics
990
Views
Multiple Kronecker Products
Published on
25 Mar 2026 - 18:59
#linear-algebra
#matrices
#matrix-equations
#quantum-mechanics
#kronecker-product
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