Harold P. Boas
Julius and Julia: Mastering the Art of the Schwarz Lemma
Preprint series: ESI preprints

MSC:

30-03 Historical (must be assigned at least one classification number from 01-XX)

01A60 20th century

Abstract: This article discusses classical versions of the Schwarz lemma at the boundary of the unit disk in the complex plane.
The exposition includes commentary on the history,
the mathematics, and the applications.