mathimatikoi.org

We would like to inform our users that the board administrator contact page has been temporarily disabled . Unfortunately, we have been receiving an overwhelming amount of spam messages through that channel, which has made it difficult to manage legitimate inquiries effectively.

We understand that ...

Dear Members and Guests of mathimatikoi.org,

we would like to inform you that mathimatikoi.org has recently undergone a server migration in order to improve performance, stability, and scalability for the long term. As part of this upgrade, we also had to update and propagate our DNS (Domain Name ...

Greetings everyone,

we are pleased to announce that the forum software has been upgraded to the latest version hardening the security of our website and resolving some issues noticed in previous releases.

All language packs will be updated within the next hours.

Thank you.

Greetings everyone,

we are pleased to announce that the forum software has been upgraded to the latest version hardening the security of our website and resolving some issues noticed in previous releases.

All language packs will be updated within the next hours.

Thank you.

Greetings everyone,

we wanted to inform you that, unfortunately, the previous server hosting our forum unexpectedly went offline and ceased all operations without any prior notice. This sudden shutdown means that some of our recent data and posts may have been lost in the process.

The good news is ...

Evaluate the series

$$\mathcal{S} = \sum_{n=1}^{\infty} (-1)^{n-1} \ln \frac{n+1}{n}$$

Let $\mathbf{a} , \mathbf{b}, \mathbf{c}$ be three non coplanar vector. If $\displaystyle{\mathbf{a}' = \frac{\mathbf{b} \times \mathbf{c}}{\left [ \mathbf{a,b, c} \right ]} \; , \; \mathbf{b}' = \frac{\mathbf{c} \times \mathbf{a}}{\left [ \mathbf{a,b, c} \right ]} \; , \; \mathbf{c}' = \frac ...

Let $\mathcal{F}_n$ denote the $n$ -th Fibonacci number and $\mathcal{L}_n$ the $n$ – th Lucas. Prove that


$$\prod_{n=1}^{\infty} \left ( 1 + \frac{1}{\mathcal{F}_{2^n +1} \mathcal{L}_{2^n+1}} \right ) = \frac{3}{\varphi^2}$$

Greetings everyone,

we are pleased to announce that the forum software has been upgraded to the latest version hardening the security of our website. You will notice that many cosmetic things have been restored to normal. This new version is compatible with php 8.2 that our server is currently ...

Greetings,

we have updated the forum to its latest version phpbb 3.3.x. You will find that many bugs have been fixed in this latest version. We would like to also inform you that the ability to add tags has been restored and now it's working flawlessly. You can select among many different tags to ...