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math.CV2018
A lemma on the difference quotients
Risto Korhonen, Kazuya Tohge, Yueyang Zhang +1
Using a new Borel type growth lemma, we extend the difference analogue of the lemma on the logarithmic derivative due to Halburd and Korhonen to the case of meromorphic functions $…
math.CV2018
Mason's theorem with a difference radical
Katsuya Ishizaki, Risto Korhonen, Nan Li +1
Differential calculus is not a unique way to observe polynomial equations such as . We propose a way of applying difference calculus to estimate multiplicities of the roots…