‘The Order Of Time’, by Carlo Rovelli, is one of my favorite divulgation physics books. It talks about one of the greatest mysteries humanity has to deal with: time. Everyone has a perception of time, both for people and for physicists, who have formulated many theories throughout the years and contributed to the evolution of […]
Month: December 2020
IMO 2019/4
Find all couples of integers which satisfy The Idea We notice that work and we claim that other solutions don’t exist, so we want to get an upper and lower bound for . Proof Now let be the greatest exponent of prime in the scomposition of , we notice that and . Hence, Now we […]
The Lüneburg Variation
‘The Lüneburg Variation’, by Paolo Maurensig, is a very interesting novel about chess I really enjoyed reading. It is a story of evil and revenge which is centered on the game of chess. This game permeated the whole story with an elevated and yet also sinister, cabalistic aura. It is an absorbing story. Its background […]
All The Things You Are, Jerome Kern
‘All The Things You Are’ is a piece composed by Jerome Kern (lyrics by Oscar Hammerstein II), and was first released in 1939. It is a very calm jazz standard, here’s the structure: | F-7 | Bb-7 | Eb7 | Abmaj7 | Dbmaj7 | G7 | Cmaj7 | Cmaj7 | C-7 | F-7 | Bb7 […]
Combinatorial Extremization
The best combinatorics book I’ve read so far is ‘Combinatorial Extremization’, by Yuefeng Feng. The book is divided into 13 chapters. Each of them covers a particular combinatorial technique you can use to solve your problems. Some of them are easy to understand, but in general, the level of difficulty of this book is quite […]
The Girl With The Leica
One of my favorite books is ‘The Girl With The Leica’, by Helena Janeczek. It talks about the story of Gerda Pohorylle, who later changed her name to Gerda Taro, seen from the perspective of three of her closest friends. Gerda was an independent and adventurous woman, who loved photography and journalism, as the title […]
Blue Bossa, Kenny Dorham
Blue Bossa, by Kenny Dorham, is a piece that blends hard bop and bossanova. The chord structure is the following: | Cm6 | Cm6 | Fm7 | Fm7 | Dm7b5 | G7#5#9 | Cm6 | Cm6 | Ebm7 | Ab7 | Dbmaj7| Dm7b5 | G7#5#9 | Cm6 | (G7) | Its first appearance in an […]
My First Shared Chess Game
I’ve recently played a game with white on lichess and I enjoyed it a lot, so I decided to share it as my first game on my blog. I’m playing with the white pieces. e4 g6 d3 Bg7 Nc3 d6 Be3 Bxc3+ Already very interesting: normally you don’t want to give up your fianchettoed dark […]
Problem Solving Through Problems
One of the best mathematics book I’ve ever read is ‘Problem-Solving Through Problems’, by Loren C. Larson. The book is composed of 8 chapters. Each of these talks about a certain mathematical tool or topic. After a brief theory introduction, shows a lot of interesting example problems, which are very instructional and show how you […]
1984, George Orwell
The best book I’ve ever read is ‘1984’, by George Orwell. It is a dystopian novel, which takes place in the imaginary London of 1984. At that time, three totalitarian super-states engage each other in an endless war. Great Britain, now known as Airstrip One, is a province of one of those three states, Oceania, […]