Alex Youcis

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Alex Youcis

chat user since	2011-10-28
last message	587d ago
last seen	110d ago
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parent user	$Mathematics$ Alex Youcis 56.6k 9 139 226

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$Mathematics$

2149d ago – Alex Youcis

34

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♦ Grothendieck topologies uses

$Mathematics$

3450d ago – Zhen Lin

40

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currently in rooms frequently in rooms