2 problems

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Stability and optimal convergence of the unstabilized PD-WG scheme
Let the PD-WG finite element scheme use stabilization parameter $b3=0$ , with polynomial indices $k$ and $s$ , diffusion tensor $a$ , convection vector ${\mathbf{b}}$ , and meshsize su…
Conjectureopenconvection-diffusion-equations finite-element-methods weak-galerkin-methodsarXiv posted 2 days ago
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Optimal trace estimate for the weak Galerkin biharmonic finite element space
Optimal trace estimate. There exists a constant $C$ such that
Conjectureopenbiharmonic-equations finite-element-methods weak-galerkin-methodsarXiv posted 2 days ago

Stability and optimal convergence of the unstabilized PD-WG scheme