Is there a convex symmetric body with C^2 boundary and non-vanishing Gaussian curvature in R^3 whose polar(dual) body fails to have non-vanishing Gaussian curvature?
Mr. Diestel,
Iop(1/11) here: https://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&ved=0ahUKEwjMu_DvkcjZAhVBWhQKHeYSBbMQFgg4MAI&url=https%3A%2F%2Fwww.researchgate.net%2Ffile.PostFileLoader.html%3Fid%3D56b7088d6225ff8a078b4574%26assetKey%3DAS%253A326419382063104%25401454835853939&usg=AOvVaw3VfCBdizPnrln_UlzsdTCI
Mr. Diestel,
With all due respect to Ms. Ivanova, you may be confused by her answer.
To me, it seem that your question is about differential geometry (of which I have studied enough to know a few terms, but unfortunately not enough to be able to answer your question.)
Ms. Ivanova seems to have interpreted your question as about the program Gaussian (http://gaussian.com/), which is for computational chemistry.
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