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# All posts by Gianluigi Filippelli

#### About Gianluigi Filippelli

• Seven cosmic messengers

Let us suppose we travel from Earth to the furthest observable point in the universe. We have seven satellites on our spacecraft, used to keep communications between us and the Earth. Let’s suppose that the speed of...

• Posted October 10, 2020
• 0
• A game of free will

Sometimes I wish I hadn’t invented that game. – John Horton Conway about the Game of life The most famous mathematical invention by John Conway was undoubtedly the Game of life, that was popolirized by Martin...

• Posted April 12, 2020
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• The ultimate question

If you are a reader of the Hitchhiker’s guide to the galaxy, you probably know that 42 is the answer to the Ultimate Question of Life, the Universe, and Everything. The choice of the number by Douglas...

• Posted November 30, 2019
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• Lunar Arithmetic

One of the most popular expressions in Italy for giving strength to numbers is mathematics is not an opinion. The expression is exclusively Italian and mathematicians don’t agree with this opinion, since they have fun inventing a large number of different...

• Posted September 20, 2019
• 1
• Turing, Fibonacci and the sunflowers

Article previously published on Doc Madhattn. June 23, 2017: Happy Alan Turing 105th Birthday! One of the last Alan Turing‘s work is about Fibonacci numbers in nature: One of a number of problems was trying...

• Posted June 23, 2017
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• The Maxwell’s equations, the Beatles and the differential geometry

The following video is a song about Maxwell’s equations. Lyrics are written by David Olson with the basis of Let it be by Beatles. Enjoy! Interestingly, Maxwell’s equations have been drastically reduced into a language of differential...

• Posted June 17, 2017
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• A solution to a maximal independent set problem

Article previosly published on Doc Madhattan. A distributed system is a set of autonomous computer that comunicate in a network in order to reach a certain goal. So a maximal independent set (MIS) is a distributed system’s...

• Posted June 11, 2017
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• Some updates about Riemann hypothesis

The following article is an updated version of a post previously published on DocMadhattan. The Rieman hypothesis was stated following the 1859 Riemann’s paper On the Number of Primes Less Than a Given Magnitude. This is the...

• Posted April 30, 2017
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• Pi day 2017: fun and facts

This article was partially published on DocMadhattan As you know, the $\pi$ is defined as the ratio of the circumference to its diameter. This number, which is transcendental, was, apparently, known since ancient times. There are, in...

• Posted March 14, 2017
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• Neural network and astronomy

The following article was previously published on DocMadhattan. There is also an Italian version published on MaddMaths!   Neural network is one of the most powered method to analize data. It can be use in most research...

• Posted February 28, 2017
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