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emk : math   68

Saturday Morning Breakfast Cereal
Math observations, translated.
math 
august 2015 by emk
Nelson rules - Wikipedia, the free encyclopedia
Rules to see whether a plotted process is suspicious.
math  processcontrol 
july 2015 by emk
How Not To Sort By Average Rating
How to sort things by average rating so that items with a single 5-star rating don't bubble to the top.
math  statistics  rating 
july 2015 by emk
MathFiction Homepage
Fiction involving mathematics.
math  fiction 
june 2015 by emk
David Mumford | Can one explain schemes to biologists
Nice discussion of Grothendieck's work, with quotes from a French article at the bottom.
math  categorytheory  french 
june 2015 by emk
Galois connection - Wikipedia, the free encyclopedia
Apparently a good starting place for motivating adjoint functors.
math  categorytheory  adjoints 
june 2015 by emk
nt.number theory - Knuth's intuition that Goldbach might be unprovable - MathOverflow
Might things be unprovable because they're what you'd expect to happen anyway?
math 
may 2015 by emk
Z3Prover/z3
Apparently a good open source theorem prover.
math  logic 
march 2015 by emk
Planets in the Fourth Dimension | Azimuth
"You probably that planets go around the sun in elliptical orbits. But do you know why?

In fact, they’re moving in circles in 4 dimensions. But when these circles are projected down to 3-dimensional space, they become ellipses!"
math  space 
march 2015 by emk
Introduction to Category Theory
Nice introduction, as PDF notes.
math 
january 2015 by emk
Approved Textbooks | American Inst. of Mathematics
Open source / open access math textbooks, approved by the AIM.
math 
september 2014 by emk
Spurious Correlations
Lovely examples of meaningless correlations, including:

Per capita consumption of cheese (US)
correlates with
Number of people who died by becoming tangled in their bedsheets
math  statistics  humor 
may 2014 by emk
http://www.scottaaronson.com/blog/?p=1458
Grinding the equations with no idea why: "In the case of the collision problem, I still have no explanation, 12 years later, for why symmetrization works: all I can say is that you do the calculation, and you cancel lots of things from both the numerator and the denominator, and what comes out at the end is a low-degree polynomial in k."
math 
july 2013 by emk
Finding Unity in the Math Wars | BetterExplained
Don’t argue the exact point a person made. Consider their position and respond to the best point they could have made.”
math  education  debate 
august 2012 by emk

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