Bannalia: trivial notes on themes diverse

I read the other day an article by Douglas Hofstadter on his game Mediocrity : three players choose a number each and the winner is that wh...

(See part I , part II , part III .) Given some set A , an ultrafilter on A is a nonempty family F of subsets of A such that A belo...

Recently the Spanish government announced its goal that the national high-speed railroad network (AVE) be developed so that every town in Sp...

(See part I , part II .) The cool breeze raising from the Zeravshan river awoke the mathematician on the morning of the third day. Al-Khwāri...

The classical way to represent natural numbers in λ-calculus was invented by Church: 0 = λ fx . x 1 = λ fx . fx 2 = λ fx . f ( fx ) ... N...

The most popular 2-person non-zero sum conflictive games of cooperation/defection, like the Prisoner's dilemma, the Chicken game etc. ha...

(See part I .) Al-Khwārizmī spent the night at the royal palace. Very early the next morning he looked for a cool and quiet place on a veran...