Mathematics
Joonas Ilmavirta's user avatar
Joonas Ilmavirta's user avatar
Joonas Ilmavirta's user avatar
Joonas Ilmavirta
  • Member for 9 years, 2 months
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I'm an academy research fellow of mathematics at University of Jyväskylä, Finland. My research is focused on inverse problems, and the main tools are differential geometry, functional analysis and PDEs. One of my long time hobbies is Latin language. See my homepage for more information.

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question
118
What is the smallest unknown natural number?
Jun 7, 2015
answer
72
Notation: Vector contains an element equal to 0
Mar 28, 2018
answer
63
Why did no student correctly find a pair of $2\times 2$ matrices with the same determinant and trace that are not similar?
Apr 10, 2017
answer
38
What is the smallest unknown natural number?
Jun 7, 2015
answer
34
Is there a symbol for "taking a derivative of something"?
May 16, 2017
answer
33
Relation between the roots of a function
Feb 21, 2018
answer
29
What does the symbol nabla indicate?
Mar 27, 2018
answer
29
Why there is no sign of logic symbols in mathematical texts?
Jul 21, 2015
answer
21
Simple theorems that are instances of deep mathematics
Apr 5, 2017
answer
21
What is the difference between a generalization and an extension?
Apr 20, 2017
Top Meta posts
1
16
49
When should I stop answering to OP
47
Are intuition-based questions off-topic?
37
Some lessons to learn from the 2017 elections
36
Low voter turnout in elections
30
Are questions caused by typographical errors in a textbook on-topic?
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Updating the Hot Network Questions List - now with a bit more network and a little less "hotness"!
84
What is Google Translate good for?
79
New top bar is coming to the Stack Exchange network
64
New top bar is live
58
Which online Latin dictionaries should I use and why?

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