\(X\)- and \(Y\)-invariants of partial differential operators in the plane (Q764003)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | \(X\)- and \(Y\)-invariants of partial differential operators in the plane |
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\(X\)- and \(Y\)-invariants of partial differential operators in the plane (English)
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12 March 2012
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symbolic solution of differential equations
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Darboux theorems
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transformation of hyperbolic operators
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differential substitutions
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gauge transformations
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