Extreme Type Points in Certain Banach Spaces

Abstract

In this paper, we introduce a new class of boundary points of the unit ball of Banach spaces. Such points are very close to being extreme points. We characterize such points in certain classical Banach spaces and some operator spaces.

Key words and phrases. Banach spaces, extreme points, almost extreme points.

2000 Mathematics Subject Classification. Primary: 46B20 , Secondary: 46B04