85 citations · 158 across the 28 of their papers we have counts for
Showing 2002 · math.CAShow all
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math.CA2002
Failure of analytic hypoellipticity in a class of PDOs
O Costin, R D Costin
For the hypoelliptic differential operators introduced by T. Hoshiro, generalizing a class of M. Christ, in the cases of …
math.CA2002
Asymptotic properties of a family of solutions of the Painleve equation PVI
O Costin, R D Costin
In this paper we study the asymptotic behavior for large argument of a family of solutions of the Painlevé equation P$_{\rm VI} arising in the context of Random Matrix Theory [1].…
math.CA2002★ 85 cited
On the formation of singularities of solutions of nonlinear differential systems in antistokes directions
O. Costin, R. D. Costin
We determine the position and the type of spontaneous singularities of solutions of generic analytic nonlinear differential systems in the complex plane, arising along antistokes d…