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15
Math.TechQA.Club
2026-04-12 11:32:17
1.5k
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How to prove or is there any reference to "integration-by-parts" formula for difference quotients?
Published on
12 Apr 2026 - 11:32
#real-analysis
#ordinary-differential-equations
#partial-differential-equations
143
Views
Boundary value problem with nonhomogeneous conditions
Published on
08 Apr 2026 - 20:42
#ordinary-differential-equations
#partial-differential-equations
#boundary-value-problem
192
Views
Eliminate unknown function $f$ by obtaining a PDE
Published on
15 Apr 2026 - 9:52
#integration
#multivariable-calculus
#partial-differential-equations
#partial-derivative
87
Views
Explain the methodology behind the answer to this first-order PDE question
Published on
16 Apr 2026 - 0:19
#calculus
#partial-differential-equations
#partial-derivative
361
Views
Purely "discrete" PDEs?
Published on
10 May 2026 - 14:28
#partial-differential-equations
#discrete-calculus
278
Views
Looking for a "trace inequality" of normal derivative in $L^1$
Published on
13 Apr 2026 - 20:29
#functional-analysis
#partial-differential-equations
#sobolev-spaces
255
Views
Diffusion equation by seperation of variables
Published on
12 Apr 2026 - 6:37
#partial-differential-equations
#heat-equation
371
Views
Help explain why the proof works - Gradient Estimate Using the Maximum Principle
Published on
10 May 2026 - 18:41
#analysis
#functional-analysis
#differential-geometry
#partial-differential-equations
#functional-inequalities
2.7k
Views
Showing that the Crank-Nicolson method is second order
Published on
14 Apr 2026 - 1:57
#partial-differential-equations
213
Views
Eigenvalue problem with asymmetric boundary conditions
Published on
10 Apr 2026 - 22:44
#partial-differential-equations
#eigenfunctions
1.6k
Views
Fundamental Solution for 1d heat equation
Published on
09 Apr 2026 - 15:31
#partial-differential-equations
#heat-equation
158
Views
Finding fourier sine series using another cosine series
Published on
09 Apr 2026 - 13:37
#partial-differential-equations
#fourier-series
579
Views
Norm Inequality on a Compact Riemannian Manifold
Published on
10 May 2026 - 16:32
#partial-differential-equations
#manifolds
#riemannian-geometry
#compact-manifolds
92
Views
How to prove $u=0$ in the unit ball?
Published on
16 Apr 2026 - 13:52
#partial-differential-equations
74
Views
Solve PDE by separation (Fourier-) method
Published on
12 Apr 2026 - 11:15
#partial-differential-equations
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