The Aperiodical logo

  • About
  • Podcasts
  • Carnival of Mathematics
  • Send something in
  • RSS
    The Big Internet Math-Off, The Big Internet Math-Off 2019

    The Big Internet Math-Off 2019, Group 1 – Alex Corner vs Lucy Rycroft-Smith

    By Christian Lawson-Perfect. Posted July 1, 2019

    Welcome to The Big Internet Math-Off! Over the next month, 16 intrepid mathematicians are going to be sharing some of their favourite bits of maths in a series of head-to-head matches that will leave all of us mathematically enriched and all but one of them wishing they’d read more Martin Gardner. The tournament starts today…

    Read more…
    News

    Hedetniemi’s Conjecture in graph theory disproved

    By Samuel Hansen. Posted June 24, 2019

    In Quanta Erica Klarreich recently wrote up Yaroslav Shitov’s new counter example which disproves Stephen Hedetniemi’s 50 year old conjecture, original dissertation, that the number of colors required to color the tensor product of two graphs is the lesser of the numbers used to color the original graphs. These colorings have applications in areas from…

    Read more…
    News

    Maths World UK has almost reached its funding target

    By Katie Steckles. Posted June 21, 2019

    The UK’s nascent maths exploratorium, Maths World UK, has secured match funding for any donations made towards setting up the museum, to the tune of £125,000 – this means if they can raise that amount of money, a donor will double it. They’re now within £20,000 of the target, and need your donations to close…

    Read more…
    Mathematical Objects

    Mathematical Objects: Noughts and Crosses (Tic Tac Toe) board

    By Katie Steckles and Peter Rowlett. Posted June 21, 2019

    Noughts and Crosses board

    A conversation about mathematics inspired by a Noughts and Crosses (Tic Tac Toe) board, covering Noughts and Crosses, a surprising number of variants, with a bit of higher dimensions and topology for good measure. Presented by Katie Steckles and Peter Rowlett. Podcast: Play in new window | Download Subscribe: RSS | List of episodes

    Read more…
    The Big Internet Math-Off, The Big Internet Math-Off 2019

    Announcing the Big Internet Math-Off 2019

    By Christian Lawson-Perfect. Posted June 17, 2019

    The Big Internet Math-Off

    Because we all had so much fun last year, we’re running a second edition of the internet’s hottest maths competition: Continuing our mission to provide alternative summer knock-out tournaments that don’t involve grassy fields, we’ve invited 16 more fun maths people to tell us about some fun maths things.

    Read more…
    News

    Particularly mathematical Birthday Honours 2019

    By Peter Rowlett. Posted June 8, 2019

    With the announcement the Queen’s Birthday Honours list, it’s time for the latest in our ongoing Honours-watch series of posts. In this, we search arbitrarily for a few maths-related terms in the list, and hope our well-informed readers fill in the blanks where actual knowledge is required. Sir Peter Donnelly, Chief Executive, Genomics plc and Professor of Statistical…

    Read more…
    Carnival of Mathematics

    Carnival of Mathematics 170

    By Katie Steckles. Posted June 7, 2019

    The next issue of the Carnival of Mathematics, rounding up blog posts from the month of May, is now online at Mathematical Enchantments. The Carnival rounds up maths blog posts from all over the internet, including some from our own Aperiodical. See our Carnival of Mathematics page for more information.

    Read more…
  • «Newer Entries
  • Older Entries »

The Aperiodical is a magazine and blog for people who already know they like maths and would like to know more.

Latest news posts

  • Aperiodical News Roundup – October & November 2025
  • Aperiodical News Roundup – August/September 2025
  • #mathober 2025
  • Aperiodical News Roundup – June & July 2025
  • Maths at the Edinburgh Fringe, 2025

Categories

  • Apéryodical
  • Columns
    • A Gardner's Dozen in TikZ
    • Aperiodical Round Up
    • Arty Maths
    • Blackboard Bold
    • Carnival of Mathematics
    • cp's mathem-o-blog
      • Adventures in 3D printing
      • Beach Spectres
      • Integer Sequence Review
    • Double Maths First Thing
    • Follow Friday
    • Interesting Esoterica Summation
    • Irregulars
    • Maths Colm
    • MathsJam
      • MathsJam Recaps
    • Matt Parker's Twitter Puzzles
    • Pascal’s Triangle and its Secrets
    • Phil. Trans. Aperiodic.
    • Puzzlebomb
    • Recreational Maths Seminar
    • The Aperiodical's Mathematical Survey
    • Thoughts of a Maths Enthusiast
    • Travels in a Mathematical World
  • Main
    • Aperiodvent
    • Features
    • Interviews
    • News
      • Competitions
      • Events
        • Black Mathematician Month
      • News Roundup
    • Podcasts
      • All Squared
      • Cushing and CP's Random Talks
      • Mathematical Objects
      • Podcasting About
      • The Aperiodcast
    • Reviews
    • Videos
      • -e^iπ to Watch
  • Pictures
  • Puzzling
  • Report
  • The Big Internet Math-Off
    • The Big Internet Math-Off 2018
    • The Big Internet Math-Off 2019
    • The Big Internet Math-Off 2024
    • The Big Lock-Down Math-Off

The Aperiodical © 2025 Peter Rowlett, Katie Steckles and Christian Lawson-Perfect. All posts © their authors. All rights reserved.