Ciro Santilli @cirosantilli 37

Most important application: produce X-rays for X-ray crystallography.

Note however that the big experiments at CERN, like the Large Hadron Collider, are also synchrotrons.

List of facilities: en.wikipedia.org/wiki/List_of_synchrotron_radiation_facilities

Ultimate explanation by Ciro Santilli: math.stackexchange.com/questions/776039/intuition-behind-normal-subgroups/3732426#3732426

Links group homomorphism and the quotient group via normal subgroups.

Ciro Santilli is a UK resident. He will register as a "solo trader" (slightly funny legal term) and treat donations that he uses for projects as grants, which pay regular income tax:The rates are given at: www.gov.uk/income-tax-rates and are as of writing:

National insurance is also likely going to be paid: www.gov.uk/self-employed-national-insurance-rates:

Fortunately however VAT does not need to be paid.

The amount that will be declared is the same as he grant amount that was requested, e.g. if 100k USD is requested for 1 year, then 100k USD will be pro-rata declared on that year.

Any remaining donations that don't yet meet specific grant goals will be initially treated as cash gifts which pay no tax. If in the future they are used as grant money after further goal amounts are reached, then they will taxed as grants.

Note however that if the donor is UK-based and dies within 7 years of the gift being given, inheritance tax has to be paid on them as per: www.gov.uk/inheritance-tax/gifts, at a maximum of 32% and going to to 0% at 7 years, so let me know from the afterlife.

Cirists,

Currently, none of the crucial cross file features like \x, \Include and table of contents are working. I was waiting until the above mentioned features were done, and now I'm going to get to that.

A function that maps two sets to a third set.

This is perhaps slightly worse than the Tinker Tailor Soldier Spy, but still amazing.

Some difficult points:

And do 5 big queries instead of hundreds of smaller ones.

For example, a README.ciro document that references another document saying:needs to fetch "speed-of-light" from the ID database (previously populated e.g. by preparsing light.ciro:to decide that it should display as "Speed of light" (the title rather than the ID).

Previously, I was doing a separate fetch for each \x[] as they were needed, leading to hundreds of them at different times.

Now I refactored things so that I do very few database queries, but large ones that fetch everything during parsing. And then at render time they are all ready in cache.

This will be fundamental for the live preview on the browser, where the roundtrip to server would make it impossible

Examples: square, octahedron.

Take $(0,0,0,\dots ,0)$ and flip one of 0's to $\pm 1$. Therefore has $2\times D$ vertices.

Each edge E is linked to every other edge, except it's opposite -E.

On Baidu Baike: baike.baidu.com/item/扇画/8486689

A superstar security researcher with some major exploits from in the 2000's.

Analogous problem to the secondary structure of proteins. Likely a bit simpler due to the strong tendency for complementary pairs to bind.

The $U(1)$ unitary group is one very over-generalized way of looking at it :-)

As always, the best way to get some intuition about an equation is to solve it for some simple cases, so let's give that a try with different fixed potentials.