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John R Ramsden's user avatar
John R Ramsden's user avatar
John R Ramsden's user avatar
John R Ramsden
  • Member for 13 years, 2 months
  • Last seen more than 1 year ago
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24
answers
13
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25
Score
18
Posts
49
Posts %
20
Score
11
Posts
30
Posts %
11
Score
10
Posts
27
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8
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3
Posts
8
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6
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2
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5
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5
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4
Posts
11
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Top posts
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All Questions Answers
Score Newest
question
29
What is the defining property of reductive groups and why are they important?
Jan 17, 2019
answer
29
Not especially famous, long-open problems which anyone can understand
Jun 23, 2012
question
20
Does $(x^2 - 1)(y^2 - 1) = c z^4$ have a rational point, with z non-zero, for any given rational c?
May 19, 2012
answer
10
Examples of common false beliefs in mathematics
Dec 18, 2010
question
9
Rational solutions of $x^2 + y^2 = z (z^2 - 1)$
Jul 31, 2013
question
5
Looking up the Mordell-Weil rank and generator(s) of a Weierstrass Equation
Mar 5, 2011
question
5
Rank of $x (x^2 - 1) = c (c^2 - 1) y^2 $ over $\mathbb{Q}$ for given rational values of $c$
Jun 17, 2012
question
5
Rational solutions of $x (y - z) y (z - x) z (x - y) = t^2$
Jul 28, 2012
question
5
Is there an algorithm to decide whether or not two algebraic surfaces are birationally equivalent?
Jun 3, 2014
answer
5
Does $(x^2 - 1)(y^2 - 1) = c z^4$ have a rational point, with z non-zero, for any given rational c?
May 19, 2012
Top network posts
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10
Why are conformal transformations so prevalent in physics?
8
Plausible explanations for 3 large space dimensions
7
Where is the wiggle room in current gravity theories?
6
Error accessing picamera in Docker container running on Raspberry Pi
5
If transported back to the 18th century could you solve the Longitude Problem without an accurate clock?

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