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Nelder, J

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math.NA 1

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2026 1

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UNVERDICTED 1

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Direct Problem for Gas Diffusion in Polar Firn with Variable Coefficients

math.NA · 2026-04-23 · unverdicted · novelty 5.0

Proves existence and uniqueness for a degenerate parabolic PDE modeling gas trapping in firn with variable D(z) and f(z) using weighted Sobolev spaces and Lions' theorem, plus conditions for a P1 finite-element plus implicit-Euler discretization.

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  • Direct Problem for Gas Diffusion in Polar Firn with Variable Coefficients math.NA · 2026-04-23 · unverdicted · none · ref 18

    Proves existence and uniqueness for a degenerate parabolic PDE modeling gas trapping in firn with variable D(z) and f(z) using weighted Sobolev spaces and Lions' theorem, plus conditions for a P1 finite-element plus implicit-Euler discretization.