2018
DOI: 10.1090/ecgd/317
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Conformal mapping, convexity and total absolute curvature

Abstract: Abstract. Let f be a holomorphic and locally univalent function on the unit disk D. Let C r be the circle centered at the origin of radius r, where 0 < r < 1. We will prove that the total absolute curvature of f (C r ) is an increasing function of r. Moreover, we present inequalities involving the L p -norm of the curvature of f (C r ). Using the hyperbolic geometry of D, we will prove an analogous monotonicity result for the hyperbolic total curvature. In the case where f is a hyperbolically convex mapping of… Show more

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Cited by 6 publications
(8 citation statements)
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“…An area version can be found in [1] and Betsakos studied the cases of hyperbolic area radius and hyperbolic capacity in [2]. Further results were obtained more recently by other authors; see, for example, [5,8].…”
Section: Introductionmentioning
confidence: 97%
“…An area version can be found in [1] and Betsakos studied the cases of hyperbolic area radius and hyperbolic capacity in [2]. Further results were obtained more recently by other authors; see, for example, [5,8].…”
Section: Introductionmentioning
confidence: 97%
“…The proofs of the results presented in this chapter can be found in the articles [44], [45] and [46].…”
Section: Overviewmentioning
confidence: 93%
“…Στην πορεία του Κεφαλαίου, θα δούμε κάποιες παραλλαγές του Λήμματος Schwarz που αποδείχθηκαν στην παρούσα διατριβή. Τα αποτελέσματα αυτά βρίσκονται στα άρθρα [44] και [46].…”
Section: θεωρήματα μονοτονίαςunclassified
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