Circles, triangles and squares. One of the first things we learn as children are basic geometric shapes. And they stay with us throughout our lives. Maybe it’s that sense of familiarity that makes ...
Mathematics and art are generally viewed as very different disciplines – one devoted to abstract thought, the other to feeling. But sometimes the parallels between the two are uncanny. From Islamic ...
Abstract: The "positroid stratification" of the Grassmannian of k-planes in n-space, studied by Lusztig, Postnikov, and many others, stands in between the (beautiful) Bruhat decomposition and the ...
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