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- Integrable cluster dynamics of directed networks and pentagram maps, with M. Gekhtman, M. Shapiro and V. Vainshtein. Adv. in Math., 300 (2016), 390-450
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- Centers of mass of Poncelet polygons, 200 years after, with R. Schwartz. Math. Intelligencer, v. 38, No 2 (2016), 29-34
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- Projective configuration theorems: old wine into new wineskins. in Geometry in History, Springer, 2019, 401--434
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- Book review of "The Scottish Book. Mathematics from the Scottish Cafe" Math. Intelligencer, v. 42, No1 (2020), 71-74
- Counting periodic trajectories of Finsler billiards, with P. Blagojevic, M. Harrison, and G. Ziegler. SIGMA 16 (2020), 022, 33 pages
- Cross-ratio dynamics on ideal polygons, with M. Arnold, D. Fuchs, and I. Izmestiev Int. Math. Res. Notes, provisionally accepted
- Wire billiards, the first steps, with M. Bialy and A. Mironov Advances in Math., provisionally accepted
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- Four equivalent properties of integrable billiards, with A. Glutsyuk and I. Izmestiev Israel J. Math., to appear
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- Polygonal symplectic billiards, with P. Albers, G. Banhatti, F. Sadlo, and R. Schwartz Preprint
- Billiards in ellipses revisited, with A. Akopyan and R. Schwartz Preprint
- Dan Reznik's identities and more, with M. Bialy Preprint