Degenerated Elliptic Boundary Value Problems for Weak Coupled Systems. Solvability and Maximum Principle
1. The degenerated elliptic boundary value problems for a single equation have been investigated by many mathematicians within the last 30 years and some quite impressive results have been obtained (cf.review ). But almost nothing is still known about solvability of such problems for elliptic systems of linear differential equations. Even the simplest systems of such a kind are interesting from this point of view because of their applications.
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