Three East End artists — Alice Hope, Bastienne Schmidt, and Linda Stein will be in the show “Overlap: Life Tapestries,”in the A.I.R. Gallery in Brooklyn. A reception will be held next Thursday from 6 to 8 p.m. Helen A. Harrison, director of the Pollock-Krasner House and Study Center in Springs, will be among the lecturers this weekend at the Royal Academy of Arts in London in connection with the exhibition “Abstract Expressionism: Expressions of Change.”