Remarks on the number of non-zero coefficients of polynomials.
Brindza, Béla (2001)
Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]
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Brindza, Béla (2001)
Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]
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S. A. Baba, A. Liman, W. M. Shah (2012)
Matematički Vesnik
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Ralitza Kovacheva (1996)
Banach Center Publications
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K. Dewan, Sunil Hans (2009)
Annales UMCS, Mathematica
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If P(z) is a polynomial of degree n, having all its zeros in the disk [...] then it was shown by Govil [Proc. Amer. Math. Soc. 41, no. 2 (1973), 543-546] that [...] In this paper, we obtain generalization as well as improvement of above inequality for the polynomial of the type [...] Also we generalize a result due to Dewan and Mir [Southeast Asian Bull. Math. 31 (2007), 691-695] in this direction.
K. Győry (1992)
Acta Arithmetica
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Gutman, Ivan (1985)
Publications de l'Institut Mathématique. Nouvelle Série
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Dewan, K.K., Mir, Abdullah (2005)
International Journal of Mathematics and Mathematical Sciences
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Gal Binyamini, Sergei Yakovenko (2009)
Annales de l’institut Fourier
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We study the problem of placing effective upper bounds for the number of zeroes of solutions of Fuchsian systems on the Riemann sphere. The principal result is an explicit (non-uniform) upper bound, polynomially growing on the frontier of the class of Fuchsian systems of a given dimension having singular points. As a function of , this bound turns out to be double exponential in the precise sense explained in the paper. As a corollary, we obtain a solution of the so-called...
Tim N. T. Goodman, Charles A. Micchelli (2002)
RACSAM
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We give conditions such that the least degree solution of a Bézout identity is nonnegative on the interval [-1,1].
Dewan, K.K., Mir, Abdullah, Yadav, R.S. (2001)
International Journal of Mathematics and Mathematical Sciences
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Wu, Derchyi (2002)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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