Kroki's user avatar
Kroki's user avatar
Kroki's user avatar
Kroki
  • Member for 6 years, 8 months
  • Last seen this week
  • Montreal, QC, Canada

17 Earned bounties for 1,475 reputation

3 votes
Accepted
+50

Kernel of an operator defined by a power series

6 votes
Accepted
+50

Prove that $\mathbb{E}\exp{\lambda\xi} \le \exp\left(\lambda^2 \Vert\xi\Vert_{\psi_2}^2\right)$

3 votes
Accepted
+200

On the asymptotic behavior of a sequence[Bulgaria MO 2024 Regional Round, 12,2]

6 votes
+50

Proof of expected length in random division of $[0,1]$ interval

6 votes
Accepted
+100

Possibility of bounding $\sum_{n=0}^N |a_n|$ from above by $\sup_{z\in (0,1)} |\sum_{1\leq n\leq N} (1+z+\ldots+z^{n-1}) a_n|$

1 vote
Accepted
+50

generalized eigenspace is the same as the eigenspace of the semi-simple part.

3 votes
Accepted
+100

How Do I Show $A$ has a Unique Radon Point?

2 votes
Accepted
+50

Can a Brownian Motion be scaled by a random time still be a brownian motion?

1 vote
Accepted
+50

Evaluating the sum $\sum_{j \in \mathbb{Z}} (t 2^{2j})^s e^{- t 2^{2j}}$

2 votes
Accepted
+50

Dual of a simple constrained least-squares problem

1 vote
Accepted
+50

Independence and equality of variance in random matrix multiplication and element-wise multiplication

3 votes
Accepted
+100

Game with $n$ players, respective chances of winning however many games in succession

1 vote
Accepted
+50

Find variance of quadratic assignment cost over all permutations

1 vote
Accepted
+200

Creating an integral to represent the volume of the intersection of two balls in cartesian coordinates

1 vote
Accepted
+200

Minimum number of links connecting two nodes of the same color

2 votes
Accepted
+100

Norm of the trimming map

4 votes
+25

Find the sum of the value $\left|\sum_{j=1}^{\frac{p-1}{2}}w^{j^2}\right|$