Yaroslav Lopatynskyi field of work theory of differential equations
Yaroslav Borysovych Lopatynskyi (1906–1981) was a Soviet mathematician. Born in Tbilisi, Lopatinskii acquired wide acclaim for his contributions to the theory of differential equations. He is especially known for his condition of stability for boundary-value problems in elliptic equations and for initial boundary-value problems in evolution PDEs.
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