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Results tagged with differential-equations
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user 18850
Ordinary or partial differential equations. Delay differential equations, neutral equations, integro-differential equations. Well-posedness, asymptotic behavior, and related questions.
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votes
Symbol of the Laplace-Beltrami on $\mathbb{S}^2$
The "chart problem" you mentioned is not really a problem, because principal symbols can be defined via local coordinates and glue them together. After all we obtain pseudo-differential operators this …
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