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Mathematics
Chiray's user avatar
Chiray's user avatar
Chiray's user avatar
Chiray
  • Member for 7 years, 6 months
  • Last seen more than 1 year ago
  • Germany
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Second year Math/ Physik Student

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5
Proof that $\frac{a}{a+3b+3c}+\frac{b}{b+3a+3c}+\frac{c}{c+3a+3b} \ge \frac{3}{7}$ for all $a,b,c > 0$
Jan 16, 2017
3
Estimate arc length of an ellipse; proving the inequality $\pi(a+b) \le L \le 2\pi \sqrt{a^2+b^2}$
May 20, 2017
3
Map of Pre-Hilbert Space is affine if it is an isometry
Oct 26, 2017
3
Pseudo-polynomial algorithm for Bin-Packing with fixed number of bins
Jul 2, 2019
2
Proof that if $ f''(x) + Cf(x) = 0$ then $f(x) = Acos(\sqrt{C}x) + Bsin(\sqrt{C}x)$ [solved]
Jan 6, 2017
2
$\|(x, y)\| = \sqrt{ax^2 + bxy + cy^2}$; find conditions on $a, b, c$ for the function being a norm
Apr 25, 2017
2
Cantor Function and Integral of a Indicator Function
Nov 2, 2017
2
Random Walk on $\mathbb{C}$
Dec 4, 2017
2
$\lim_{n \to \infty}\int_{\mathbb{R}^m}|f(x)-f(x+L_n(x))|dx = 0$
Dec 13, 2017
1
Run Time Analysis of the Merging Part in Mergesort
Jan 8, 2017
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Two-dimensional electron gas