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Mathematics
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Jon
  • Member for 1 year, 9 months
  • Last seen more than a month ago
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Top posts
5
Is $N_1+N_2\cong N_1\oplus N_2$ iff $N_1\cap N_2=(0)$?
Oct 2, 2023
4
Upper limit of an outer measure
Jun 22, 2023
2
Show that series converges by estimating number of partitions into distinct parts
Oct 10, 2022
1
Show that any distance-preserving linear map on a finite-dimensional vector space is bijective
Feb 5, 2023
1
Show that the orbit of $x$ is a cluster point of $x$ in an arbitrary metric space
May 27, 2023
1
Proof that substructures satisfy the same quantifier-free formulas as the structure they lie in
Dec 17, 2023
0
Help with proof of characterization of finitely generated modules over a PID
Aug 14, 2023
0
Proof that every consistent theory has a maximally consistent extension via the Compactness Theorem
Apr 11
0
Possible error in Donald Cohns measure theory on definition of $\mathscr{L}^{\infty}$
Feb 22, 2023
-1
Help with understanding a proof of the mean ergodic theorem
Jun 6, 2023