Classes of harmonic functions defined by  extended Sălăgean operator

J. Dziok

doi:10.37863/umzh.v73i1.78

J. Dziok Univ. Rzeszów, Poland

DOI: https://doi.org/10.37863/umzh.v73i1.78

Ключові слова: harmonic function, Sălăgean operator, subordinatio, extreme point, starlike function

Анотація

УДК 517.57

Класи гармонiчних функцiй, якi визначенi розширеним оператором Саладжана

Досліджуються класи гармонічних функцій, які визначені розширеним оператором Саладжана.
За допомогою теорії екстремальних точок отримано оцінки для коефіцієнтів та теореми деформації для класів функцій.
Також наведено деякі нерівності для інтегральних середніх.

Посилання

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