科研之友
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摘要
On the basis of the recent progress in understanding the abstract setting for Friedrichs symmetric positive systems by Em et al. (2007) [8], as well as Antonic and Burazin (2010) [9], an attempt is made to relate these results to the classical Friedrichs theory. %26lt;br%26gt;A particular set of sufficient conditions for a boundary matrix field to define a boundary operator is given, and the applicability of this procedure is shown by examples of boundary/initial value problems for second-order partial differential equations written as symmetric systems.
- 出版日期2014-1
