DOI QR코드

DOI QR Code

GENERALIZATION OF SOME INEQUALITIES TO THE CLASS OF GENERALIZED DERIVATIVE

  • 투고 : 2021.05.22
  • 심사 : 2021.07.02
  • 발행 : 2021.11.30

초록

In this paper, we obtain some inequalities concerning the class of generalized derivative and generalized polar derivative which are analogous respectively to the ordinary derivative and polar derivative of polynomials.

키워드

과제정보

The referees have reviewed the paper very carefully. The authors express their deep thanks for the comments.

참고문헌

  1. A. Aziz: Inequalities for the derivative of a polynomial. Proc. Amer. Math. Soc. 89 (1983), no. 2, 259-266. https://doi.org/10.1090/S0002-9939-1983-0712634-5
  2. A. Aziz & N.A. Rather: A refinement of a theorem of paul Turan concerning polynomials. Math. Ineq. Appl. 1 (1998), 231-238. https://doi.org/10.7153/mia-2020-23-18
  3. A. Aziz & N.A. Rather: Inequalities for the derivative of a polynomial with restricted zeros. Math. Balk. 17 (2003), 15-28.
  4. V.N. Dubinin: Application of the Schwarz lemma to inequalities for entire functions with constraints on zeros. J. Math. Sci. 143 (2007), 3069-3076. https://doi.org/10.1007/s10958-007-0192-4
  5. M.A. Malik: On the derivative of a polynomial. J. Lond. Math. Soc. 1 (1969), 57-60. https://doi.org/10.1112/jlms/s2-1.1.57
  6. R. Osserman: A sharp Schwarz inequality on the boundary. Proc. Amer. Math. Soc. 128 (2000), no. 12, 3513-3517. https://doi.org/10.1090/S0002-9939-00-05463-0
  7. N.A. Rather et al.: Some inequalities for polynomials with restricted zeros. Annali Dell' Univerita' Diferrara, (2020)
  8. N.A.Rather, A. Iqbal & Ishfaq Dar: On the zeros of a class of generalized derivatives. Rendiconti del Circolo Mathematico di Palermo Series 2 (2020).
  9. P. Turan: Uber die Ableitung von Polynomen. Compos. Math. 7 (1939), 89-95.