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Complex and p-adic branched functions and growth of entire functions
- Source :
- Bulletin of the Belgian Mathematical Society-Simon Stevin, Bulletin of the Belgian Mathematical Society-Simon Stevin, Belgian Mathematical Society, 2015, Bulletin of the Belgian Mathematical Society-Simon Stevin, 2015, Bull. Belg. Math. Soc. Simon Stevin 22, no. 5 (2015), 781-796
- Publication Year :
- 2015
- Publisher :
- HAL CCSD, 2015.
-
Abstract
- Following a previous paper by Jacqueline Ojeda and the first author, here we examine the number of possible branched values and branched functions for certain $p$-adic and complex meromorphic functions where numerator and denominator have different kind of growth, either when the denominator is small comparatively to the numerator, or vice-versa, or (for p-adic functions) when the order or the type of growth of the numerator is different from this of the denominator: this implies that one is a small function comparatively to the other. Finally, if a complex meromorphic function $\displaystyle{f\over g}$ admits four perfectly branched small functions, then $T(r,f)$ and $T(r,g)$ are close. If a p-adic meromorphic function $\displaystyle{f\over g}$ admits four branched values, then $f$ and $g$ have close growth. We also show that, given a p-adic meromorphic function $f$, there exists at most one small function $w$ such that $f-w$ admits finitely many zeros and an entire function admits no such a small function.
- Subjects :
- Order and type of growth
46S10
General Mathematics
Entire function
Mathematical analysis
Order (ring theory)
P-adic meromorphic functions
Values distribution
Function (mathematics)
Type (model theory)
[MATH.MATH-NT]Mathematics [math]/Number Theory [math.NT]
Combinatorics
Nevanlinna's Theory
Branched values
30D35
30G06
12J25
Mathematics
Meromorphic function
[MATH.MATH-NT] Mathematics [math]/Number Theory [math.NT]
Subjects
Details
- Language :
- English
- ISSN :
- 13701444
- Database :
- OpenAIRE
- Journal :
- Bulletin of the Belgian Mathematical Society-Simon Stevin, Bulletin of the Belgian Mathematical Society-Simon Stevin, Belgian Mathematical Society, 2015, Bulletin of the Belgian Mathematical Society-Simon Stevin, 2015, Bull. Belg. Math. Soc. Simon Stevin 22, no. 5 (2015), 781-796
- Accession number :
- edsair.doi.dedup.....b3e8651cb52e7605d5064bd77d73ae4f