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Meromorphic functions sharing some finite sets IM

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We show that if two nonconstant meromorphic functions $f$ and $g$ on $\mathbb C$ sharing some finite sets IM, then there is a nonconstant rational function $R(z)$ such that $R(f)=R(g)$.

Abstract

We show that if two nonconstant meromorphic functions $f$ and $g$ on $\mathbb C$ sharing some finite sets IM, then there is a nonconstant rational function $R(z)$ such that $R(f)=R(g)$.

참고문헌 (10)

  1. W. W. Adams, "Non-archimedian analytic functions taking the same values at the same points", Illinois J. Math., 15, pp.418~424 (1971)
  2. W. K. Hayman, "Meromorphic Functions" (1964), Clarendon Press
  3. R. Nevanlinna, "Einige Eindeutigkeitssatze in der Theorie der meromorphen Funktionen", Acta Math., 48(3-4), pp.367~391 (1926)[DOI]
  4. R. Nevanlinna, "theorem de Picard-Borel et la theorie des fonctions meromorphes" (1929), Gauthier-Villars
  5. I. V. Ostrovskii, "A remark on complex polynomials of least deviation", Internat. Math. Res. Notices, 1996(14), pp.699~703 (1996)[DOI]
  6. M. Shirosaki, "On meromorphic functions sharing five one-point sets or two two-point sets IM", Proc Japan Acad. Ser. A, 86(1), pp.6~9 (2010)[DOI]
  7. M. Shirosaki, "On meromorphic functions sharing a one-point set and three two-point sets CM", Kodai Math. J., 36(1), pp.56~68 (2013)[DOI]
  8. M. Shirosaki, "On meromorphic functions sharing four two-point sets CM", Kodai Math. J., 36(2), pp.386~395 (2013)[DOI]
  9. M. Shirosaki, "On meromorphic functions sharing two one-point sets and two two-point sets", Proc. Japan Acad. Ser. A Math. Sci., 83(3), pp.32~35 (2007)[DOI]
  10. K. Tohge, "Meromorphic functions covering certain finite sets at the same points", Kodai Math. J., 11(2), pp.249~279 (1988)[DOI]

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