Geometry in figures, T-shirts collection
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The Hopf fibration. Mikhail Panov's art for the paper A. V. Akopyan, Villarceau circles and the Hopf fibration, Kvant Magazine, (5-6):8-11, 2013, (in Russian, the journal version on kvant.mccme.ru, the author version pdf) Amazon.com ($12.87), Amazon.de (€13.30), Amazon.co.uk (£11.73), Printdirect.ru |
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The Villarceau circles on a torus. Mikhail Panov's art for the paper A. V. Akopyan, Villarceau circles and the Hopf fibration, Kvant Magazine, (5-6):8-11, 2013, (in Russian, the journal version on kvant.mccme.ru, the author version pdf) Amazon.com ($12.87), Amazon.de (€13.30), Amazon.co.uk (£11.73), Printdirect.ru |
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The Pythagorean trees. Amazon.com ($12.87), Amazon.de (€13.30), Amazon.co.uk (£11.73), Printdirect.ru |
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Confocal incircular net. Based on the paper A. Akopyan and A. I. Bobenko, Incircular nets and confocal conics, Trans. Amer. Math. Soc., 370(4): 2825-2854, 2018, (ams.org, arxiv.org). Amazon.com ($12.87), Amazon.de (€13.30), Amazon.co.uk (£11.73), Printdirect.ru |
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Checkerboard incircular net. Based on the paper A. Akopyan and A. I. Bobenko, Incircular nets and confocal conics, Trans. Amer. Math. Soc., 370(4): 2825-2854, 2018, (ams.org, arxiv.org). Amazon.com ($12.87), Amazon.de (€13.30), Amazon.co.uk (£11.73), Printdirect.ru |
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Hyperbolic checkerboard incircular net. Based on the paper A. Akopyan and A. I. Bobenko, Incircular nets and confocal conics, Trans. Amer. Math. Soc., 370(4): 2825-2854, 2018, (ams.org, arxiv.org). Amazon.com ($12.87), Amazon.de (€13.30), Amazon.co.uk (£11.73), Printdirect.ru |
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Ellipsoidal curvature net. Based on the paper A. Akopyan and A. I. Bobenko, Incircular nets and confocal conics, Trans. Amer. Math. Soc., 370(4): 2825-2854, 2018, (ams.org, arxiv.org). Amazon.com ($12.87), Amazon.de (€13.30), Amazon.co.uk (£11.73), Printdirect.ru |
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Tricky anti-Escher cube. Amazon.com ($12.87), Amazon.de (€13.30), Amazon.co.uk (£11.73), Printdirect.ru |
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Geometry in figures, the cover of the first edition. Archimedes and a dog. Amazon.com ($18.99), Amazon.de (€18.49), Amazon.co.uk (£16.10), Printdirect.ru |
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Geometry in figures, the cover of the second edition. The goat on a bike. Amazon.com ($18.99), Amazon.de (€18.49 ), Amazon.co.uk (£16.10), Printdirect.ru |
