We have, with Moto Fukuda, a new paper on the arXiv, Enumerating meandric systems with large number of components, which deals with the enumeration of meandric systems. In combinatorics, a meander on $2n$ points is a closed, self-avoiding plane curve, which intersects a given line $2n$ times. Below, the meandersContinue reading
RT @_____satvik Hey #MathTwitter! Here's an innocuous looking problem for you. Let S be a d-dimensional subspace of the space of all nxm complex matrices (d <= nm). Determine if there exists a full rank matrix in S.
RT @RaulGarciaPatr1 For all of you that are craving form the lack of arXiv papers today and/or complaining about the quantum hype-r-sphere, you can have a look at the work of @dsfranca and myself that is finally out! nature.com/articles/s4156…