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Jakub Konieczny

Oxford, United Kingdom

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64
Is there any good reason to write “it is easy to see”?
academia.stackexchange.com

28
Why is Sauron always portrayed as being stronger than Gandalf?
scifi.stackexchange.com

24
Is there a property that is not preserved by isomorphism?
math.stackexchange.com

24
Is it possible to emulate common polyhedral dice rolls using just a d6, and if so, how?
rpg.stackexchange.com

18
If $f(x)f(y)=f(\sqrt{x^2+y^2})$ how to find $f(x)$
math.stackexchange.com

16
Which is larger? $20!$ or $2^{40}$?
math.stackexchange.com

16
Can a ring without a unit element have a subring with a unit element?
math.stackexchange.com

13
If $p$ and $p^2+8$ are both prime numbers, then $p^3+4$ is prime.
math.stackexchange.com

12
Is it a new type of induction? (Infinitesimal induction) Is this even true?
math.stackexchange.com

11
Symbol for “probably equal to” (barring pathology)?
math.stackexchange.com

11
Find number of positive integral solutions of
math.stackexchange.com

11
Can every set be a group?
math.stackexchange.com

10
Proving that the coefficients of the characteristic polynomial are the traces of the exterior powers
math.stackexchange.com

10
Prove by induction that for all $n \geq 3$: $n^{n+1} > (n+1)^n$
math.stackexchange.com

10
Remainder when $20^{15} + 16^{18}$ is divided by 17
math.stackexchange.com

10
Are there arbitrarily large gaps between consecutive primes?
math.stackexchange.com

10
What happens if someone publishes a paper on your current PhD thesis topic
academia.stackexchange.com

9
Acknowledging local government for quarantine measures
academia.stackexchange.com

9
Is it bad form to use the word exciting in a paper, when discussing other people's results?
academia.stackexchange.com

9
Related to greatest prime number that divides $n.$
math.stackexchange.com

9
In the history of mathematics, has there ever been a mistake?
math.stackexchange.com

8
Is there a minimal diverging series?
math.stackexchange.com

8
What is the sense of the equality sign =?
math.stackexchange.com

8
Why is 1 raised to infinity Not defined and not “1”
math.stackexchange.com

8
Among all shapes with the same area, a circle has the shortest perimeter
math.stackexchange.com

7
Does the torus have a boundary? And about the concept of boundary.
math.stackexchange.com

7
Strange behavior of $\lim_{x\to0}\frac{\sin\left(x\sin\left(\frac1x\right)\right)}{x\sin\left(\frac1x\right)}$
math.stackexchange.com

7
How does aptitude at solving Olympiad problems relate to success at further mathematical studies?
math.stackexchange.com

7
Does there exist an $a_0$ such that the sequence $a_{n+1} = 2a_n + 1$ is prime for all $n \ge 0$?
math.stackexchange.com

7
Proof: $a^2 - b^2 = (a-b)(a+b)$ holds $\forall a,b \in R$ iff R is commutative
math.stackexchange.com

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