Matrices and graphs

Our goal for today is to introduce a connection between matrices and graphs and to illustrate the strength of graph theoretic methods in linear algebra and vice versa. What is shown here is only the tip of the iceberg. These methods turned out to be very fruitful and they have many applications inside and outside mathematics. … More Matrices and graphs

The Biologist, the Mathematician and the Stalker

The Biologist and I were waiting in a dirty bar, slowly sipping our cheap and bitter beer. The Stalker arrived early in the morning, the fog hasn’t even settled yet. We jumped inside our car (without roof, of course, as the Stalker requested), then slowly started our trip into the Zone. After sneaking past a few soldiers… wait, no. Scratch that. Here is the real story of our trip into the Chernobyl exclusion zone and to the ghost city Pripyat. … More The Biologist, the Mathematician and the Stalker