Geometry in figures, T-shirts collection
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
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
The Pythagorean trees.
Amazon.com ($12.87), Amazon.de (€13.30), Amazon.co.uk (£11.73), Printdirect.ru
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
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
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
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
Tricky anti-Escher cube.
Amazon.com ($12.87), Amazon.de (€13.30), Amazon.co.uk (£11.73), Printdirect.ru
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
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
back