Seductive stitches, Warhol in Nottingham and an Italian giant’s igloo sculpture – the week in art

Jessica Rankin sews up painting, arte povera’s Mario Merz comes in from the cold and Andy Warhol brings pop to the Midlands – all in your weekly dispatch Jessica Rankin This New York artist’s abstract works hover between embroidery and painting and have a seductive, lyrical beauty. • White Cube Mason’s Yard, London, 28 January to 28 February