## History of the problem While it is relatively easy to get estimations of upper bounds for eigerivalues of elliptic differential operators with the well-known methods of J. W. S. RAYLEIGH and W. RITZ, the estimation of lower bounds is much more complicated. Estimations of lower bounds for eigenv
A minimization problem related to the estimation of a lower bound for the temperature in a free boundary value problem related to the combustion of a solid
β Scribed by John R. Cannon; Chung-Chiang Chou; Alec L. Matheson
- Publisher
- Springer Netherlands
- Year
- 1993
- Tongue
- English
- Weight
- 480 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0025-6455
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π SIMILAR VOLUMES
## Abstract A mixed boundary value problem for the Stokes system in a polyhedral domain is considered. The authors prove the existence of solutions in weighted and nonβweighted HΓΆlder spaces and obtain regularity results for the solutions. The results are essentially based on estimates of the Green
## Abstract The paper deals with a mixed boundary value problem for the Stokes system in a polyhedral cone. Here different boundary conditions (in particular, Dirichlet, Neumann, free surface conditions) are prescribed on the sides of the polyhedron. The authors obtain regularity results for weak s