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- Fontes, MagnusLund University,Lunds universitet,Matematik LTH,Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematics (Faculty of Engineering),Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH (author)
Optimal results for the nonhomogeneous initial-boundary value problem for the two-dimensional Navier-Stokes equations
- Article/chapterEnglish2010
Publisher, publication year, extent ...
- 2009-04-17
- Springer Science and Business Media LLC,2010
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- LIBRIS-ID:oai:lup.lub.lu.se:4f20efb9-0067-4fbc-b15a-b50a4697d52c
- https://lup.lub.lu.se/record/1470840URI
- https://doi.org/10.1007/s00021-009-0296-3DOI
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- Language:English
- Summary in:English
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- In this work we study the fully nonhomogeneous initial boundary value problem for the two-dimensional time-dependent Navier–Stokes equations in a general open space domain in R2 with low regularity assumptions on the initial and the boundary value data. We show that the perturbed Navier–Stokes operator is a diffeomorphism from a suitable function space onto its own dual and as a corollary we get that the Navier–Stokes equations are uniquely solvable in these spaces and that the solution depends smoothly on all involved data. Our source data space and solution space are in complete natural duality and in this sense, without any smallness assumptions on the data, we solve the equations for data with optimally low regularity in both space and time.
Subject headings and genre
- NATURVETENSKAP Matematik hsv//swe
- NATURAL SCIENCES Mathematics hsv//eng
- Navier–Stokes
- perturbed
- nonhomogeneous boundary condition
- anisotropic Beppo–Levi space
- time-dependent
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- Matematik LTHMatematikcentrum (creator_code:org_t)
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- In:Journal of Mathematical Fluid Mechanics: Springer Science and Business Media LLC12, s. 412-4341422-69281422-6952
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