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Gushel–Mukai varieties with many symmetries and an explicit irrational Gushel–Mukai threefold O. Debarre |
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Abstract: We construct an explicit complex smooth Fano threefold with Picard number 1, index 1, and degree 10 (also known as a Gushel–Mukai threefold) and prove that it is not rational by showing that its intermediate Jacobian has a faithfull Language: English Website: https://mi-ras-ru.zoom.us/j/93049469322?pwd=bmNVaGhpMXFWU1QzbWcwa2RvblVGdz09 * Meeting ID: 930 4946 9322Пароль: 251604 |