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math-ph2020
Differential invariants of measurements, and their connection to central moments
Eivind Schneider
Due to the principle of minimal information gain, the measurement of points in an affine space determines a Legendrian submanifold of . Such Lege…
math.DG2020
Solutions of second-order PDEs with first-order quotients
Eivind Schneider
We describe a way of solving a partial differential equation using the differential invariants of its point symmetries. By first solving its quotient PDE, which is given by the dif…