Instruct: Retrieve semantically similar text.
Query: In the mathematical field of topology, the Alexandroff extension is a way to extend a noncompact topological space by adjoining a single point in such a way that the resulting space is compact. It is named for the Russian mathematician Pavel Alexandrov.
Pavel Alexandrov did topological math
There space can be an apartment
pile things up a little bit is the best idea. 
This issue is still ongoing
Still not sure. 
There will be a trial.
There's more to follow 
Your mobility is something that can be increased.
Repayment periods are something that it is possible to extend.
purpose can-t be measured
There is more than one step
The operation will be established soon
There are appropriate times to approach this
There is some action goings on.
There is a possibility that the person will not be instantly available.
This problem was have a positive ending.
A series of numbers has been presented in this context
This could be explored more deeply.
A deposition is impending.
There is at least one union that exists.
There is more than one tool.
the stops have been happening for quite some time
The mathematical field of topology, was founded by Pavel Alexandrov. The Alexandroff extension is a way to extend a noncompact topological space by adjoining a single point in such a way that the resulting space is compact.
Pavel Alexandrov was a mathematician in space
Pavel Alexandrov was a compact Russian.