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Mathematics
Yong Hao Ng's user avatar
Yong Hao Ng's user avatar
Yong Hao Ng's user avatar
Yong Hao Ng
  • Member for 13 years, 6 months
  • Last seen more than a week ago
  • Singapore
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112
answers
11
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130
Score
56
Posts
46
Posts %
86
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27
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22
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68
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22
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18
Posts %
58
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19
Posts
15
Posts %
34
Score
10
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8
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24
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8
Posts
7
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Top posts

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answer
18
Diophantine equation: $x^2+y^2+z^2=n(xy+yz+zx)$
Dec 26, 2013
answer
12
Find $a,b,c \in \Bbb N$ such that $n^3+a^3=b^3+c^3$
Sep 11, 2018
question
10
Kernel of Group Action
Aug 7, 2012
answer
10
Given two primes $p$ and $q$, show that there always exists an $x$ such that only one of $p+x$ and $q+x$ is prime
Dec 20, 2019
answer
10
Applications of Abstract Algebra to elementary mathematics
Oct 20, 2012
answer
9
What are the positive integer solutions to $x^2-x+1 = y^3$?
Jan 31, 2019
answer
8
The set of differences of square rationals
Dec 13, 2019
answer
7
Is there any integer solution for $\operatorname{Re}(a+bi)^n=\pm1$, where $n\geq 2$, except $(a,b)=(\pm1,0),(0,\pm1)$?
Jan 20, 2020
question
7
Disjoint Union of Spectra
Feb 12, 2013
answer
7
Logarithmic height of algebraic numbers
Aug 15, 2018

Top network posts

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84
Not especially famous, long-open problems which anyone can understand
12
Generating All Permutations Without Repetition Using Two Generators
8
Interesting mathematical documentaries
7
Fastest way to factor integers < 2^60
6
Magic trick based on deep mathematics