Explorations of shape and abstraction abound in this week’s gallery picks.

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1. A showcase of Etel Adnan’s work from across her career including paintings, drawings, poetry, film and tapestry. at Serpentine Gallery
2. A historical survey exhibition of works from the 1950s by Lygia Clark. Clark’s groundbreaking work radically innovated the relationship between the art object and audience and has become a reference point for generations of artists pushing the limits of sculpture today at Alison Jacques Gallery
3. Jaro’s paintings feature non-objective, geometric forms in a colorful mélange called geometric abstraction at Bohemian Benevolent & Literary Association
4. The line is at once a road and a horizon. Between the Lines considers the space in between. Bringing together an international group of artists, it surveys the landscape of a movement that started in the grimy backstreets of Paris, London, New York, and LA but has since exploded to become a worldwide phenomenon at The Mine
5. Judy Ledgerwood’s Pussy Poppin’ Power explores and confronts the history of abstraction, as well as artistic domestic work created by women across generations at Tracy Williams Ltd
6. Stanley Whitney presents a series of oil paintings and gouache on paper works made over the last few months in response to global events, literature and music, among other sources of inspiration. Whitney’s unique ordering system revolves around his use of a loosely painted grid, which he has experimented with in various ways over the course of almost three decades at Lisson Gallery