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15
Math.TechQA.Club
2026-04-11 20:22:45
256
Views
About Tensor Index notation
Published on
11 Apr 2026 - 20:22
#differential-geometry
#soft-question
#mathematical-physics
#tensors
#index-notation
124
Views
Solving Diffusion Equation with Non-Homogeneous Mixed Conditions - Robin & Neumann
Published on
14 Apr 2026 - 12:49
#partial-differential-equations
#mathematical-physics
#boundary-value-problem
#eigenfunctions
468
Views
Local $\frac{0.664}{\sqrt{Re_x}}$ vs Average Drag Coefficient $\frac{1.328}{\sqrt{Re_L}}$
Published on
17 Apr 2026 - 9:35
#algebra-precalculus
#physics
#mathematical-physics
#fluid-dynamics
97
Views
Euler-Lagrange equations for strange Lagrangian
Published on
14 Apr 2026 - 10:40
#mathematical-physics
#calculus-of-variations
#euler-lagrange-equation
333
Views
Why are soliton solutions interesting mathematically or physically?
Published on
25 Mar 2026 - 14:21
#functional-analysis
#partial-differential-equations
#mathematical-physics
#nonlinear-system
#soliton-theory
149
Views
Are all continuum systems limits of microscopic descriptions?
Published on
09 Apr 2026 - 23:35
#partial-differential-equations
#mathematical-physics
#statistical-mechanics
88
Views
Green function ODE
Published on
11 Apr 2026 - 5:38
#calculus
#mathematical-physics
#greens-function
206
Views
Wave equation under Galilean transformation
Published on
09 Apr 2026 - 17:45
#mathematical-physics
#transformation
#electromagnetism
#special-relativity
80
Views
Transition of Z2 gauge theory in four dimensions
Published on
17 Apr 2026 - 4:53
#physics
#mathematical-physics
#gauge-theory
168
Views
What can we say when $[A,B]=A$?
Published on
13 Apr 2026 - 19:20
#linear-algebra
#abstract-algebra
#operator-theory
#physics
#mathematical-physics
123
Views
Stable and unstable manifold for a 2D dynamical system
Published on
12 Apr 2026 - 14:49
#dynamical-systems
#mathematical-physics
#classical-mechanics
#chaos-theory
581
Views
PDE and Minimal Energy
Published on
13 Apr 2026 - 2:06
#partial-differential-equations
#mathematical-physics
#calculus-of-variations
#harmonic-functions
171
Views
A differential equation involving the cross product
Published on
12 Apr 2026 - 12:24
#ordinary-differential-equations
#reference-request
#dynamical-systems
#mathematical-physics
54
Views
Doubt about Lyapunov's theorem proof
Published on
11 Apr 2026 - 19:09
#dynamical-systems
#mathematical-physics
#stability-in-odes
#lie-derivative
#lyapunov-functions
96
Views
Integrals of functions with poles on the real axis (Sokhotski–Plemelj theorem) in the sense of Distributions/Generalized Functions.
Published on
13 Apr 2026 - 3:14
#complex-analysis
#functional-analysis
#mathematical-physics
#distribution-theory
#quantum-field-theory
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