Where to post mathematical discoveries online

[Anatoly]

Where do you post mathematical discoveries? Recently I've founded and posted on facebook:

https://i.imgur.com/EGbrnuN.png
https://i.imgur.com/bNenU8Z.png
https://i.imgur.com/aZ5Esss.png
https://i.imgur.com/eCiqyvG.png
https://i.imgur.com/eCiqyvG.png
τ is similar to Σ and Π but it appears to be in itself.

 

[fresh_42]

Your operator $T$ is called a continued fraction. There are plenty of results regarding continued fractions, e.g. those which represent $\pi$. There is also an existing notation for them.

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