Hostname: page-component-586b7cd67f-t8hqh Total loading time: 0 Render date: 2024-11-26T17:12:38.644Z Has data issue: false hasContentIssue false

DENSITY ESTIMATES ON COMPOSITE POLYNOMIALS

Published online by Cambridge University Press:  07 August 2013

WAI SHUN CHEUNG
Affiliation:
Department of Mathematics, The University of Hong Kong, Pokfulam, Hong Kong email [email protected]@yahoo.com.hk
TUEN WAI NG*
Affiliation:
Department of Mathematics, The University of Hong Kong, Pokfulam, Hong Kong email [email protected]@yahoo.com.hk
CHIU YIN TSANG
Affiliation:
Department of Mathematics, The University of Hong Kong, Pokfulam, Hong Kong email [email protected]@yahoo.com.hk
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Ritt introduced the concepts of prime and composite polynomials and proved three fundamental theorems on factorizations (in the sense of compositions) of polynomials in 1922. In this paper, we shall give a density estimate on the set of composite polynomials.

Type
Research Article
Copyright
Copyright ©2013 Australian Mathematical Publishing Association Inc. 

References

Beardon, A. F., ‘Composition factors of polynomials’, Complex Var. Theory Appl. 43 (2001), 225239.Google Scholar
Beardon, A. F. and Ng, T. W., ‘On Ritt’s factorization of polynomials’, J. Lond. Math. Soc. (2) 62 (2000), 127138.CrossRefGoogle Scholar
Beardon, A. F. and Ng, T. W., ‘Parametrizations of algebraic curves’, Ann. Acad. Sci. Fenn. Math. 31 (2006), 541554.Google Scholar
Chuang, C. T. and Yang, C. C., Factorization Theory and Fixed Points of Meromorphic Functions (World Scientific, Singapore, 1990).Google Scholar
Dorey, F. and Whaples, G., ‘Prime and composite polynomials’, J. Algebra 28 (1974), 88101.CrossRefGoogle Scholar
Engstrom, H. T., ‘Polynomial substitutions’, Amer. J. Math. 63 (1941), 249255.CrossRefGoogle Scholar
Gross, F., Factorization of Meromorphic Functions (Mathematics Research Center, Naval Research Laboratory, Washington, DC, 1972).Google Scholar
Levi, H., ‘Composite polynomials with coefficients in an arbitrary field of characteristic zero’, Amer. J. Math. 64 (1942), 389400.CrossRefGoogle Scholar
Müller, P., ‘Primitive monodromy groups of polynomials’, Contemp. Math. 186 (1995), 385401.CrossRefGoogle Scholar
Ng, T. W. and Wang, M. X., ‘Ritt’s theory on the unit disk’, Forum Math. (2012).Google Scholar
Pakovich, F., ‘Prime and composite Laurent polynomials’, Bull. Sci. Math. 133 (2009), 693732.CrossRefGoogle Scholar
Rahman, Q. I. and Schmeisser, G., Analytic Theory of Polynomials (Clarendon Press, Oxford, 2002).CrossRefGoogle Scholar
Ritt, J. F., ‘Prime and composite polynomials’, Trans. Amer. Math. Soc. (1) 23 (1922), 5166.CrossRefGoogle Scholar
Smale, S., ‘The fundamental theorem of algebra and complexity theory’, Bull. Amer. Math. Soc. (N.S.) 4 (1981), 136.CrossRefGoogle Scholar
Urabe, H., ‘On factorization of the Blaschke products’, Bull. Kyoto Univ. Ed. Ser. B 63 (1983), 113.Google Scholar
Zannier, U., ‘Ritt’s second theorem in arbitrary characteristic’, J. reine angew. Math. 445 (1993), 175203.Google Scholar