Interesting stuff Here you can find links to interesting stuff from the World Wide Web more or less related to Combinatorics. Interesting hompages and blogsThe entries appear in no particular order.The one and only Richard Stanley: homepageIgor Pak: homepage, blog and his famous collection "What is Combinatorics?"Doron Zeilberger: homepage and his famous OpinionsXavier Viennot: homepageFederico Ardila: his amazing youtube channelGil Kalai: homepage and blogPeter Cameron: homepage and blogTerence Tao: homepage and his famous amazing blogTimothy Gowers: homepage and blogMatt Baker: homepage and blogYufei Zhao: homepage and blogNathan Williams: homepageUseful resourcesTwo lists of conferences in combinatoricsOEIS (the famous encyclopedia of sequences)FindStat (encyclopedia of combinatorial statistics)SageMath (favourite for many in algebraic combinatorics)Manim (amizingly beautiful math animations)math arXiv (the databes of math preprints)MathSciNet (the database of published math articles)SLC (historical conference and journal)FPSAC (historical main annual conference)IPAC (collection of seminars on Important Papers in Algebraic Combinatorics)ALCOVE (youtube channel of an annual virtual conference)ICECA (youtube channel of another annual virtual conference)Some interesting videos, interviews and moreList of (old) videos of Combinatorics for general audience and why you should watch them (by Igor Pak)NumberphileAn amazing talk from another eraA few amazing lectures by the inimitable John Horton ConwayVideo interviews of John Horton Conway, Ronald Graham, Laszlo Lovasz, Endre Szemerédi and moreA lot of interesting interviews to top combinatorialists: every volume contains some. Also check out historical articles and surveysOutreachMath olympiadsGiornalino degli open days di matematicaOrientamento per studenti di scuola superiore