E. Ekstrom, “Convexity of the Optimal Stopping Boundary for the American Put Option,” Journal of Mathematical Analysis and Applications, Vol. 299, No. 1, 2004, pp. 147-156.
has been cited by the following article:
TITLE: Some Properties for the American Option-Pricing Model
AUTHORS: Hong-Ming Yin
KEYWORDS: American Option Model; Regularity of Free Boundary; Comparison Principle
JOURNAL NAME: Journal of Mathematical Finance, Vol.2 No.3, August 31, 2012
ABSTRACT: In this paper we study global properties of the optimal excising boundary for the American option-pricing model. It is shown that a global comparison principle with respect to time-dependent volatility holds. Moreover, we proved a global regularity for the free boundary.