Maths Jam 2017 talks summaries
Here is a brief summary of individual talks from the Maths Jam annual conference. Thanks to Rob Lowe for writing the bulk of this and allowing me to share it.
There is a write up on its way from Maths Jam themselves and also this one from Chalkdust.
Colin Beveridge and I discuss it and have various guests comment on Wrong but Useful episode 50.
Saturday – Session 1a: 14:00 – 14:47
· Colin Wright, Matt Parker and Katie Steckles: Welcome to the MathsJam Gathering
Pretty much “what it says on the tin”
· Tom Button: All about the base (no trebles)
Using base 10 to prove a neat result about primes. (OK, that’s 10 in duodecimal.) Introduced the concepts of Threven for numbers in the three times tables.
· Matt Peperell: Logical deduction games
Introducing games where the aim of the game is to work out the rules. Sounds like a lot of fun and something I’ll be looking into more!
· Alison Kiddle: Alison talks crap
Alison presents and interprets the results of a fundamental poll: in fact, many fundaments were involved. Correlating number of sheets of toilet paper used with the Bristol stool scale. Used a linear correlation and log one too.
· TD Dang: The maths in Mean Girls
When is a limit not a limit? There’s no end to the possibilities. Looked at the mathlete’s activities in the film.
· Noel-Ann Bradshaw: Digesting the indigestible
On the importance of presenting data well and informatively. Wondering about the best way of presenting information about students to busy teachers.
Session 1b: 15:10 – 15:57
· Zoe Griffiths: A discourse on e
A heartfelt narration of the relationship between e and their x. You can listen to this on episode 50 of Wrong, but Useful.
· Phil Chaffe: Maths Jammin’ – Writing a song for the Maths Jam Jam
Hints and tips on how to write a song for maths jam. Essentially, a whole lot can be forgiven if there’s a really good line!
· Matthew Scroggs: Big Ben Strikes Again
How can you hear Big Ben strike 13? Why does Scroggs like Captain Scarlet so much?
· Andrew Russell: Diabolo as a picture
The title was an outright lie. Instead, he explained why balloon animals were semi-Eulerian graphs, and provided a counter-example. This was a talk that appealed to my inner clown.
· Angela Brett: Mathematical poetry
In which were reminded that it isn’t just giants whose shoulders we stand on. Available on Etsy here.
· Adam Townsend: Stop! (or, using maths to pass your driving test)
Where did those weird stopping distances come from? Are they even correct? (no) What should they be?
· Elizabeth and Zeke: rat with an e
What is 3^(1/ln 3)? More to the point, why?
Session 1c: 16:20 – 17:07
· Rob Eastaway: Thinking Outside the Outside of the Box
On drawing lines through all the dots in a grid: how far can you go? The classic puzzle of 9 dots in a 3-by-3 array. Can you join them with 4 straight lines? What about if it’s a 4-by-4 array with 6 lines? How far ‘outside the box’ can you go?
· Rachel Wright: In A Spin
Between sheep’s back and your back, the wool undergoes various transformations. Some of it’s a bit confusing.
· Alex Burlton: Bags of Palindromes
What are the chances of getting palindromes out of bags of numbers?
· Alexander Bolton: Winning the Chalkdust Coin Game
Why it’s a good idea not to have too similar a name to any of your peers, and why it’s a good idea to take a risk if you think you’re going to lose.
· Vincent Van Pelt: Thank you, Mrs Holcombe
Homophones. And, by a happy accident, an introduction to mediaeval French poetry.
Session 1d: 17:30 – 18:17
· Dan Hagon: Double Negation and the Excluded Middle
Some people aren’t happy with ¬¬P=P. Dan gives a constructive explanation of how logic works – or ought to.
· Ben Pace: Building Successful Intellectual Communities
Working towards a way of ranking web pages by reliability, using the Page rank algorithm (named after Larry Page and not because it ranks pages) and karma.
· Alison Clarke: Stupid Units
Pressure in mmHg? Volume in Acrefeet? Temperature in Fahrenheit? What were they thinking?
· Belgin Seymenoglu: Donald in Mathmagic Land
Half a century ago, Donad Duck starred in a cartoon introducing some mathsy fun.
· Douglas Buchanan: Lowering the Tone
Puzzles. I nearly fell of my perch at the resolution of the parrot puzzle. Possible the worst pun of the weekend, and there was no lack of competition.
· David Mitchell: The Thereom of Trythagoras (Pythagoras is for Squares)
Extending Pythagorean triples in triangular ways.
· Dave Gale: Catchphrase and Coffee
What do the ‘strength’ indicators on ground coffee mean? Why do some go from 3 to 7?Also, an (as yet) unsuccessful attempt to get the host of Catchphrase to stop calling rectangles “squares”.
Sunday – Session 2a: 08:50 – 09:37
· Joel Haddley: Angle Trisection
What are the rules? What counts as a trisection?
· Katie Steckles: Sheeran Numbers
What numbers can you make using (all) the operators used as titles of Ed Sheeran albums, and numbers used as titles of albums released during Ed Sheeran’s lifetime.
· Ken McKelvie: A little ado about ‘nothing’
Looking at where zeros occur in decimal expansions of certain numbers.
· Tony Mann: The mathematics of competition
Where on the beach should you put your ice cream van to maximize profit?
· Will Kirkby: Life Beyond Binary
Generalizing cellular automata, and some very pretty pictures.
· Peter Rowlett: Fermi problems
The kinds of estimating you have to do (in ‘real’ life), and the Approximate Geometric Mean as a useful tool crying out for a better understanding.
· Kathryn Taylor: Adventures in modular origami
How to make wonderful models, and why not to take them on the train.
Session 2b: 10:00 – 10:47
· Marcin Konowalczyk: Unrolling the rolling shutter
Trying to train a neural net to recover the original image. The dangers involved in choosing the training data.
· Miles Gould: How Mountaineering is like Mathematics
In every possible respect, it turns out. You can watch a video of the talk here.
· Samuel Ball: Fake It Till You Make It
Markov processes for constructing tweets. Also, helping people learn to code.
· Wendy Foad: Context vs content
Transferable skills?
· Nicholas Korpelainen: A production line may need an arbitrarily large number of machines
Satisfying constraints is sometimes hard.
· Robert Woolley: Making board games fit – Numbers & Space
How to fit several board games into one box. Clever use of the space available on playing cards.
Session 2c: 11:15 – 11:48
· Glen Whitney: The Hole Truth
Holes in a handlebody, Euler characteristic, and why a topologist is somebody who can’t tell a steering wheel from a T-shirt.
· Sue de Pomerai: The life and times of Ada Lovelace
The briefest of introductions: and a class in delivering a one hour talk in four minutes. Sue will hopefully be appearing in Wrong, but Useful episode 51.
· Pedro Freitas: A programmed deck
Programming a deck of cards to solve simultaneous equations.
· Matthew and John Bibby: Boring log and geometrical tables
A father and son team show us where woodwork and seaside rock meet mathematics.
· Geoff Morley: Irrational Bases
Looking at some of the richness of the behaviour when an irrational number is used as a base instead of an integer.
· Adam Atkinson: Mathematics and Art: A Real-World Problem
On the challenges facing a sculptor who wants to put a statue on top of the nearby mountain for residents of Catania to enjoy.
Session 2d: 12:06 – 12:39
· Elaine Smith & Lynda Goldenberg: Multiplication: Magic or Madness
Multiplication methods, and the ‘new’ grid method is several centuries older than the ‘traditional’ column method. Also Napier’s bones.
· Robert W. Vallin: Maverick Solitaire and Three-Card Poker
Probability inspired by an episode of Maverick.
· Robert Low: Why knot?
What do you mean, I can’t tie a knot in a piece of string without letting go of the ends? You’re not the boss of me!
· Philipp Reinhard: From a tweet to Langnaus 4th problem in < 5min
How to get from a relatively innocuous looking puzzle to some really deep stuff in a few steps.
· Oliver Masters: The Fibonacci Matrix
Coding the Fibonacci sequence in powers of a matrix, and some surprises arising.
Whew – that’s all there was. Just a mere 49 talks!
Thanks again to Rob for the comments. I’ll expand on some of the talks in future posts.