WFRF:(Euler Marianna)
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On Möbius‐invariant and symmetry‐integrable evolution equations and the Schwarzian derivative
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- Euler, Marianna, 1961- (author)
- Luleå tekniska universitet,Matematiska vetenskaper
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- Euler, Norbert, 1964- (author)
- Luleå tekniska universitet,Matematiska vetenskaper
- (creator_code:org_t)
- 2019-05-03
- 2019
- English.
- In: Studies in applied mathematics (Cambridge). - : John Wiley & Sons. - 0022-2526 .- 1467-9590. ; 143:2, s. 139-156
- Journal article (peer-reviewed)
Abstract
Subject headings
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- We consider symmetry‐integrable evolution equations in 1 + 1 dimensions of order 3 and order 5. We show that there exist only three equations in this class that are invariant under the Möbius transformation, and we name those Schwarzian equations. We report an interesting relation between the recursion operators of the Schwarzian equations and the corresponding adjoint operators that generate hierarchies of Schwarzian systems in terms of the Schwarzian derivative. This indicates a deep relation between the Schwarzian equations and the Schwarzian derivative. A classification of the fully nonlinear third‐order Schwarzian equations is also reported.
Subject headings
- NATURVETENSKAP -- Matematik -- Matematisk analys (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Mathematical Analysis (hsv//eng)
Keyword
- dynamical systems
- mathematical physics
- partial differential equations
- Matematik
- Mathematics
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- ref (subject category)
- art (subject category)
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