Blogs about: Basic Grad Student
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Card Shuffling II - The Riffle Shuffle
In my previous post on card shuffling, I established a basic framework in which we will work. We are given a probability distribution on and we wish to determine when first begins to decay exponential… more →
The Everything Seminar
Card Shuffling II - The Riffle Shuffle
Peter Luthy wrote 7 months ago: In my previous post on card shuffling, I established a basic framework in which we will work. We are … more →
Card Shuffling I
Peter Luthy wrote 7 months ago: Just about anyone interested in mathematics has studied a little probability and probably done some … more →
A Silly Infinite Series
— 12 comments
Peter Luthy wrote 8 months ago: A year or two ago, a couple of us were bored and somehow got to thinking about the series It’s … more →
Two Cute Proofs of the Isoperimetric Inequality
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Peter Luthy wrote 1 year ago: The blog has been pretty quiet the last few weeks with the usual end-of-term business, research, and … more →
Rational Homotopy Theory
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Greg Muller wrote 1 year ago: I tend to think of homotopy theory a little bit like ‘The One That Got Away’ from ma … more →
Abelian Categories and Module Categories
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Greg Muller wrote 1 year ago: The blog’s been rather quiet lately, due in a large part to me being in research mode righ … more →
Morse Theory Indomitable
Greg Muller wrote 1 year ago: I recently came across an excellent survey article, “Morse Theory Indomitable“, by Ra … more →
Television Will Rot Your Brain
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Greg Muller wrote 1 year ago: A fun little math problem today. It came about when I misheard a problem asked by a friend, and … more →
Bad Talk Bingo: Brainstorming
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Greg Muller wrote 1 year ago: Next week I am off to IAS for the conference on Algebro-Geometric Derived Categories and their A … more →
Something Certain About Uncertainty
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Peter Luthy wrote 1 year ago: I was motivated by a comment on Jim Pivarski’s recent post to speak about the Heisenberg Uncer … more →
Hyperbolic Discounting
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Greg Muller wrote 1 year ago: I have always been fascinated with the study of how people make decisions. Its a complicated pr … more →
Quantum Bears
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Jim Pivarski wrote 1 year ago: Hello all! It has been a very long time since I last wrote; I have been going to and from CERN as we … more →
Odd Sums of Consecutive Odds
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Peter Luthy wrote 1 year ago: Oscar Wilde’s character Algernon said in The Importance of Being Earnest, “One must be s … more →
Singular Integral Operators and Convergence of Fourier Series
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Peter Luthy wrote 1 year ago: I’m Peter “Viking” Luthy, a journeyman graduate student at Cornell. I’m an a … more →
My Favorite Prime Number with Four Divisors
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Greg Muller wrote 1 year ago: A prank I recommend to readers is to use the number 91 when a group situation calls for a random … more →
Puzzles, Groups, and Groupoids
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Jim Belk wrote 1 year ago: Over at Good Math, Bad Math, MarkCC has a nice post introducing groupoids which uses the fifteen puz … more →
An Almost-Proof of the Four Color Theorem
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Greg Muller wrote 1 year ago: I recently gave an Olivetti (our graduate colloquium) on chord diagrams, effectively covering my fir … more →
Convergence of Infinite Products
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Jim Belk wrote 1 year ago: There is a simple convergence test for infinite products that I think deserves to be better known. T … more →
Periodic Functions Problem
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Jim Belk wrote 1 year ago: Here’s a neat little problem that I learned about during a party in my first year of graduate … more →
