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# Math insight

- Article
### Vaccination and the friendship paradox!••

September 14 2018, by Clara StegehuisOn social media it seems like everyone around me is more popular than what I am. It is a mathematical statement: the friendship paradox!Read article - Article
### Degrees in graphs III: Which degrees sequences are possible?•••

July 20 2017, by Remco van der HofstadPaul Erdős and Tibor Gallai developed a beautiful criterion to decide precisely when a degree sequence is graphical.Read article - Article
### A network made of math•

May 3 2017, by Tim HulshofAlexander Grothendieck (1928—2014) is viewed by many as one of the greatest mathematicians of all time. He made contributions to many different fields, but the work he is mainly celebrated for is his shaping of some of the most abstract, fundamental branches of mathematics.Read article - Update
### Large Deviations Theory: understanding the incredibly rare••

April 13 2017, by Tim HulshofProbability Theory is one of the most important tools for studying networks. Most things Probability Theory tries to explain are about average or typical observations.Read article - Article
### Degrees in graphs II: Degree sequences••

March 17 2017, by Remco van der HofstadThe degree sequence of a graph is the sequence of degrees of all its elements.Read article