"End of the Trail -- Richard Timperio: Paintings 1980 - 2018," at Sideshow, 319 Bedford Avenue, Williamsburg, December 14 - January 13, 2019, Opening reception, December 14, 6 to 9. Hours: 1 to 6 pm, Thursday through Sunday.

ALSO: "Gathering to Celebrate the Birth and Life of Richard John Timperio," December 18. 4 to 5 pm: San Damiano Mission Catholic Church, 85 N. 15th Street, Brooklyn 11222; 6:30-10 pm, Ground Floor, 319 Bedford Avenue, Brooklyn NY 11211; 7 -8 pm, Open Mic for Sharing Memories.

"Morris Louis: Spectrum" at Yares Art, 745 Fifth Avenue, through January 12, 2019.

"Sacred Asymmetry -- Abstraction," at Hallspace, 950 Dorchester Avenue, Dorchester MA, December 1 through January 19, 2019. Among three artists from Boston: Marjorie Minkin, Philip Gerstein (also the show's organizer); among three from New York: Francine Tint, Susan Roth. Hours: Sat.-Sun, 12 to 5; weekdays by appt. Opening reception: December 1, 3 to 6 pm.

"Jules Olitski: 60's Sprays," at Leslie Feely, 1044 Madison Avenue (between 79th and 80th Streets), open Tuesday through Saturday, 12 to 6 pm. Also sculpture by Sir Anthony Caro. Through January 1, 2019.

"David Evison: Individual Works Exhibition," at Hubei Institute of Fine Art, in Wuhan, Hubei, China, through November 21.

"Ann Walsh: Colors," at Sam & Adele Golden Gallery, 188 Bell Road, New Berlin NY, through March 15, 2019.

"Walter Darby Bannard: Paintings from 1969 - 1972," at Berry Campbell, 530 West 24th Street, Chelsea, through December 21.

"Abstract Climates: Helen Frankenthaler in Provincetown." Expanded version of exhibition seen in summer of 2018 at Provincetown Art Association and Museum: paintings done c. 1950, when Frankenthaler studied with Hofmann in Provincetown, and between 1958 and 1967, when she was married to Motherwell and summering with him in Provincetown. Parrish Art Museum, 279 Montauk Highway, Water Mill, NY, August 4 through October 27, 2019.

"Walter Darby Bannard: 1959-1962," at the Institute of Contemporary Art, Miami, 61 NE 41st Street, Miami, extended through January 6, 2019. "Focused presentation" of the artist's minimalist paintings, catalog by Michael Fried. Admission to the ICA is free but guests are encouraged to reserve tickets at the museum's website in advance of their visit.