ON SPIRALLIKE FUNCTIONS RELATED TO BOUNDED RADIUS ROTATION


Cetinkaya A., TAŞTAN H. M.

HONAM MATHEMATICAL JOURNAL, sa.1, ss.98-109, 2022 (ESCI) identifier

  • Yayın Türü: Makale / Tam Makale
  • Basım Tarihi: 2022
  • Doi Numarası: 10.5831/hmj.2022.44.1.98
  • Dergi Adı: HONAM MATHEMATICAL JOURNAL
  • Derginin Tarandığı İndeksler: Emerging Sources Citation Index (ESCI)
  • Sayfa Sayıları: ss.98-109
  • İstanbul Kültür Üniversitesi Adresli: Evet

Özet

In the present paper, we prove the growth and distortion theorems for the spirallike functions class S-k(lambda) related to boundary radius rotation, and by using the distortion result, we get an estimate for the Gaussian curvature of a minimal surface lifted by a harmonic function whose analytic part belongs to the class S-k (lambda). Moreover, we determine and draw the minimal surface corresponding to the harmonic Koebe function.