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fantasie
  • Member for 5 years, 2 months
  • Last seen more than a month ago
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Graduate student in UCAS.

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question
9
Can we see the color of nebulae?
Dec 22, 2018
question
1
How can we learn the inclination of the orbiting plane of the exoplanets using radial speed method?
Dec 9, 2018
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9
Prove that the equation $x^3+2y^3+4z^3=9w^3$ has no solution $(x,y,z,w)\neq (0,0,0,0)$
6
Every complex matrix can be written as the sum of a Hermitian and a skew-Hermitian matrix. What is this called?
6
Is the subextension of a purely transcendental extension purely transcendental over the base field?

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