Christian Blatter

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32,551 reputation
11958
bio website math.ethz.ch/~blatter
location Switzerland
age 77
visits member for 2 years, 9 months
seen 7 hours ago
stats profile views 2,560

1,194 Answers

newest activity votes
2
How many ways to colour a tetrahedron with monochromatic triangles.
0
Vector calculus for ellipse in polar coordinates
1
Volume of half torus. What's wrong with my solution?
2
Why convolution regularize functions?
1
Is it possible to make a regular 3-polygon by selecting $3$ points in $S$
2
Diffeomorphism from Inverse function theorem
0
Proving that Euclidean space having the infinity metric is a complete metric space (stuck)
3
“Set of all formal products” - what does this mean?
2
How to prove this inequality $xy\sin^2C+yz\sin^2A+zx\sin^2B\le\dfrac{1}{4}$
1
Does there exist $g$ s.t $g'=f$?
0
Lipschitz continuous
2
Relation between chords length and radius of circle
0
How to solve this integral for a hyperbolic bowl?
1
Curvature of a curve whose unit tangent creates a constant angle with z-axis
3
There does not exist an entire function which satisfies $f({1\over n})={1\over 2^n}$?
6
Help me solve a trigonometric equation
2
Number of rectangles with odd side lengths on a chess board?
0
Application of Bolzano's theorem to polynomials
2
showing $1 + z + z^2 + \dots $ uniformly converges to $\frac{1}{1-z}$ for $|z| < 1$
3
Approximation to any real number by rationals
1
A function whose derivatives always have a convergent fourier series
1
Maximizing triangle area
2
complex analysis explanation
0
planarity of a quadrilateral
2
How to calculate distance on a sphere with an earth like coordination system?
2
Proving $e^{i\pi} = -1$ without proving $e^{ix} = \cos x + i\sin x$
3
what if take limit to negative infinity in the definition of e as a limit
5
A question on the uniformization theorem
1
Integral depending on a path?
0
Derive the probability density function of the distance
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