MathDB3 problems
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Rockland's conjecture on the Rockland condition and hypoellipticity
Rockland's conjecture. The Rockland condition is equivalent to hypoellipticity:
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Badiale–Tarantello conjecture for the cylindrical Hardy inequality
Badiale–Tarantello conjecture. The best constant in this inequality is
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Pseudo-differential representation of PMP operators on homogeneous groups
Let be a homogeneous group, and let an operator on satisfy the positive maximum principle (PMP). Pseudo-differential representation conjecture. Such operators should be rep…