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Harmonic maps and s...
Harmonic maps and shift-invariant subspaces
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- Aleman, Alexandru (författare)
- Lund University,Lunds universitet,Matematik (naturvetenskapliga fakulteten),Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematics (Faculty of Sciences),Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Pacheco, Rui (författare)
- University of Beira Interior
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- Wood, John C. (författare)
- University of Leeds
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(creator_code:org_t)
- 2021-01-29
- 2021
- Engelska.
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Ingår i: Monatshefte fur Mathematik. - : Springer Science and Business Media LLC. - 0026-9255 .- 1436-5081. ; 194:4, s. 625-656
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Abstract
Ämnesord
Stäng
- With the help of operator-theoretic methods, we derive new and powerful criteria for finiteness of the uniton number for a harmonic map from a Riemann surface to the unitary group U(n). These use the Grassmannian model where harmonic maps are represented by families of shift-invariant subspaces of L2(S1, Cn) ; we give a new description of that model.
Ämnesord
- NATURVETENSKAP -- Matematik -- Matematisk analys (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Mathematical Analysis (hsv//eng)
Nyckelord
- Harmonic maps
- Riemann surfaces
- Shift-invariant subspaces
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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