Blog
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Exotic Spheres: Milnor is Not Dead!
Two weeks ago, while talking to a friend, due to my vague memory, I mistakenly said that Milnor had passed away about four or five years ago. That is why, in this post,…
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Open Book Decomposition of 3-Manifolds
These days, I have been doing a small project in terms of sub-Riemannian limits on contact manifolds. I came to learn that there was a profound relationship between…
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Why geodesics should be ... geodesics?
Seriously, why can I come up with a silly question like this? It is probably your first thought when seeing this weird title. But be patient, it is not a joke and I am…