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Marcel K. Goh's user avatar
Marcel K. Goh's user avatar
Marcel K. Goh's user avatar
Marcel K. Goh
  • Member for 4 years, 1 month
  • Last seen more than a month ago
10 votes
2 answers
926 views

Converse to Erdős' conjecture on arithmetic progressions

10 votes
2 answers
391 views

Decomposing square of side length $n$ into $n$ squares in a certain "maximal" way

9 votes
1 answer
263 views

Arithmetic progressions in inverse image of totient function

7 votes
1 answer
269 views

Analogue to Szemerédi's theorem for non-monotone sequences

7 votes
4 answers
1k views

Amending flawed "proof" that homology groups are zero

6 votes
0 answers
138 views

Maximal coprime-free subsets of $[n]$

3 votes
0 answers
137 views

Homology groups of a certain simplicial complex

2 votes
1 answer
112 views

Counting numerical semigroups by largest element of minimal generating set

2 votes
1 answer
403 views

Sets with certain property concerning density of sumsets

2 votes
0 answers
76 views

The number of elements with order less than $k$ in a larger cyclic group

2 votes
0 answers
92 views

Segre's theorem in $3$ dimensions with a "twist"

2 votes
1 answer
134 views

Number of elements in poset with same rank such that lower bound has a certain rank

2 votes
0 answers
71 views

Sum of squared degrees in tripartite graph

1 vote
1 answer
137 views

The cap set tensor in Lovett (2019)