Higher-order blow-up differential-form complex conjecture
Higher-order blow-up differential-form complex conjecture
Let be a simplex, let denote its blow-up, and let be the shadow-form or blow-up Whitney-form complex and the higher-order blow-up scalar fields. For each flag or face of , let be the restriction of the full space to , and let be the subspace of forms vanishing on . Using , define the corresponding classical spaces by the tensor-product construction from the classical FEEC spaces . Higher-order blow-up FEEC conjecture. The spaces and can be generalized to a differential complex that is exact except at . For , these spaces admit a blow-up geometric decomposition: bases can be constructed whose each -form has a unique minimal face of on which it does not vanish. Moreover, for every flag or face of , the trace-vanishing spaces are isomorphic to the corresponding classical spaces . This conjecture proposes an extension of finite element exterior calculus to blow-up simplices; unlike faces of , interiors of faces of are products of simplices. The source gives no resolution.
Sources & referencesView supporting material
Primary source
Yakov Berchenko-Kogan and Evan S. Gawlik, “Blow-up Whitney forms, shadow forms, and Poisson processes”, arXiv:2402.03198 (2024).
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