Mathematics
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Natasha
  • Member for 4 years, 4 months
  • Last seen more than 1 year ago
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4
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question
4
Can you help with this proof that the $n$-th Bell number is bounded by $n!$ for all natural numbers $n$?
Apr 9, 2020
question
2
Proving these sets are well-ordered with the order inherited from $\mathbb{R}$.
Apr 22, 2020
question
2
Topological groups: how to choose a topology for a group, and do we need to?
Dec 2, 2020
question
1
Topological groups: if $A$ is an open subset of $G$, then $A^{-1}$ is open.
Jan 21, 2021
question
1
How can a field L be a subgroup of the Galois group of the extension L:K?
Apr 10, 2020
question
1
Is there a way to order the maximal ideals of the ring of integers? Is there an order structure to maximal ideals?
Apr 12, 2020
question
0
Examples of order isomorphisms / similarities between well ordered sets
Apr 20, 2020
question
0
Interesting ways to show that there are infinitely many equivalence relations on an infinite set (including Bell numbers).
Apr 20, 2020
question
0
Subfields and degree of $[K(t):K]$ for a given field $K$?
Apr 26, 2020
question
0
Construction of the Reals in ZFC system: Existence of rational sequences
Apr 30, 2020
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6
How to create the state $\vert 0 \rangle+i \vert 1 \rangle$ using elementary gates?
6
Why can I not apply a control gate/function to a gate like T, S, S dagger, ... (using IBM Quantum Experience)? Is there another option?

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