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Sigurd Angenent

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Dutch-born mathematician and professor

Sigurd Bernardus Angenent (born 1960) is a Dutch-born mathematician and professor at the University of Wisconsin–Madison. Angenent works on partial differential equations and dynamical systems, with his recent research focusing on heat equation and diffusion equation. The Angenent torus and Angenent ovals are special solutions to the mean curvature flow published by Angenent in 1992; The Angenent torus remains self-similar as it collapses to a point under the flow, and the Angenent ovals are the only compact convex ancient solutions other than circles for the curve-shortening flow.

Angenent was raised in Haarlem, the Netherlands. He obtained his PhD in Mathematics from Leiden University in 1986. In 1996 Angenent became a correspondent of the Royal Netherlands Academy of Arts and Sciences.

At the University of Wisconsin–Madison, he is the director of the Undergraduate Mathematics Program. After becoming frustrated with textbooks' high prices and poor quality, he wrote and made available his own notes for all classes.

References

  1. "Angenent, Sigurd Bernardus, 1960-". Virtual International Authority File. Retrieved 5 April 2016.
  2. ^ "Sigurd Angenent". Royal Netherlands Academy of Arts and Sciences. Retrieved 16 August 2015.
  3. "Sigurd Angenent". University of Wisconsin–Madison. Retrieved 16 August 2015.
  4. Angenent, Sigurd B. (1992), "Shrinking doughnuts" (PDF), Nonlinear diffusion equations and their equilibrium states, 3 (Gregynog, 1989), Progress in Nonlinear Differential Equations and their Applications, vol. 7, Boston, MA: Birkhäuser, pp. 21–38, MR 1167827.
  5. Daskalopoulos, Panagiota; Hamilton, Richard; Sesum, Natasa (2010), "Classification of compact ancient solutions to the curve shortening flow", Journal of Differential Geometry, 84 (3): 455–464, arXiv:0806.1757, Bibcode:2008arXiv0806.1757D, doi:10.4310/jdg/1279114297, MR 2669361, S2CID 18747005.
  6. "Personal page". University of Wisconsin–Madison. Retrieved 16 August 2015.
  7. "Researcher: Sigurd Angenent". Wisconsin Discovery Portal. 20 February 2015. Retrieved 16 August 2015.
  8. "Ten to receive Distinguished Teaching Awards". University of Wisconsin–Madison. 1 May 2014. Retrieved 26 October 2020.

External links


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