Concept information
Preferred term
Bäcklund transformation
Definition(s)
- In mathematics, Bäcklund transforms or Bäcklund transformations (named after the Swedish mathematician Albert Victor Bäcklund) relate partial differential equations and their solutions. They are an important tool in soliton theory and integrable systems. A Bäcklund transform is typically a system of first order partial differential equations relating two functions, and often depending on an additional parameter. It implies that the two functions separately satisfy partial differential equations, and each of the two functions is then said to be a Bäcklund transformation of the other. A Bäcklund transform which relates solutions of the same equation is called an invariant Bäcklund transform or auto-Bäcklund transform. If such a transform can be found, much can be deduced about the solutions of the equation especially if the Bäcklund transform contains a parameter. However, no systematic way of finding Bäcklund transforms is known. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/B%C3%A4cklund_transform)
Broader concept(s)
Synonym(s)
- Bäcklund transform
In other languages
-
French
URI
http://data.loterre.fr/ark:/67375/MDL-DR69BC4C-G
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