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# Math insight

- Article
### How many colors do you need to color a map?••

June 26 2022, by Jasper KonijnA mathematician once told me that problems that are very simple to state can be very deceiving, and sometimes turn out to be extremely difficult to solve. One such problem was the Four Color Problem.Read article - Article
### Delegated and Distributed Quantum Computation••

May 24 2022, by Nicos StarreveldDuring the last decades, many resources have been invested in quantum computing. This research field has grown immensely and amazing results have been obtained. The plans for the future are highly ambitious, but at the same time, there are serious questions that need to be addressed.Read article - Article
### The share bike mystery•

February 18 2022, by Lucas van KreveldHow is it possible that bikes are so perfectly spread out that they are available from almost anywhere? Who are these bike fairies that distribute them evenly across the city? Continue reading if you like to find out who they are and what type of mathematics is involved.Read article - Article
### A balanced schedule for the Premier League of Darts exists… and is not used…•

February 4 2022, by Frits Spieksma, Roel Lambers and Rudi PendavinghThe Premier League of Darts is an annual competition where the best darts players of the world compete over several months for the title, and the prize of £275.000. However… the schedule chosen by the PDC is unbalanced: some matches between pairs of specific players will occur relatively often, while others will occur very rarely.Read article - Article
### Percolation theory: about math and gossip••

November 6 2021, by Nicos StarreveldPercolation theory is a branch of mathematics at the interface between probability theory and graph theory. The term 'percolation' originates from materials science. A representative question is as follows. Suppose some liquid is poured over a porous material. Will the liquid be able to make its way from hole to hole and reach the bottom?Read article