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Aug
27
comment Are infinite groups “locally topologizable”?
It is on page 339 of English edition. Unfortunately, Google preview rejects to show this page to me (but I may read the table of contents).
Aug
26
comment Are infinite groups “locally topologizable”?
I have a Russian edition. This is Chapter 10, Section 31, Subsection 3.
Aug
25
comment Invariant planes of a nilpotent matrix with two Jordan blocks of size two
This is the description of all of them, because any invariant subspace containing a vector $v$ shoud contain $Nv$.
Aug
25
comment Invariant planes of a nilpotent matrix with two Jordan blocks of size two
Take any vector $v$ not belonging to the kernel of $N$ and consider the space $\langle v,Nv\rangle$. This family and the kernel of $N$ are all spaces you ask about.
Aug
24
awarded  Self-Learner
Aug
23
answered A sequence of subsets of an infinite group
Aug
23
answered Are infinite groups “locally topologizable”?
Aug
23
comment A sequence of subsets of an infinite group
A related question: mathoverflow.net/q/179177/24165 .
Aug
23
asked Are infinite groups “locally topologizable”?
Jul
2
awarded  Curious
Jun
2
awarded  Yearling
Apr
24
comment An element $g$ in a group such that neither $g=1$ nor $g\ne 1$ can be proved.
@Dan, surely. What you said is basically Metatheorem 3.5.2 from my answer.
Mar
8
awarded  Popular Question
Jan
22
awarded  Organizer
Jan
22
revised subsets of groups which have to be closed no matter what
arXiv's tags added
Jan
22
suggested suggested edit on subsets of groups which have to be closed no matter what
Jan
22
awarded  Nice Answer
Jan
22
answered subsets of groups which have to be closed no matter what
Jan
21
revised Fantastic properties of Z/2Z
added 12 characters in body
Jan
21
answered Fantastic properties of Z/2Z