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A video (click here) for broad audience about my research area. Thanks to Rutgers Communications and Isaac Jimenez for it.

A blog post/interview about incorporating research into my teaching at Rutgers, thanks to p3collaboratory.

My photos (click here) of geometric and topological 3D models, printed by Nicholas Owad at OIST, designed by Nicholas Owad or Henry Segerman, some with the help of Seifertview.

I enjoy capturing strange and beautiful shapes on camera even when I am not doing math. Here are some of the photos I took while scuba diving.

Here I keep a short list of Ukrainian volunteer groups I trust and try to donate to. When my extended family in Northern Ukraine were under Russian occupation, local volunteers were the only ones who delivered life-saving medical supplies and food, and arranged evacuations.