an:06335751
Zbl 1302.35106
Bergamasco, A. P.; Dattori da Silva, P. L.; Meziani, A.
Solvability of a first order differential operator on the two-torus
EN
J. Math. Anal. Appl. 416, No. 1, 166-180 (2014).
00336015
2014
j
35F05 35A01 35B10
global solvability; degenerate elliptic; periodic solutions; vector fields; complex coefficients; Diophantine properties
Summary: Global solvability on the two-torus of a first order differential operator with complex coefficients is investigated. Diophantine properties of the coefficients are linked to the solvability.