Can humans say their largest prime number before they find the next one? After the discovery of the new Mersenne Prime, a community project aims to find out!
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How to join in with our distributed Wiki edit day
You may have seen our post last month about our remote Wiki Editing Day, this coming Saturday 12th May. We’re hoping to get a bunch of people in different locations editing pages on Wikiquote and other Wikimedia sites, to improve the visibility of female mathematicians. Here’s how you can get involved.
The 12th Polymath project has started: resolve Rota’s basis conjecture
Timothy Chow of MIT has proposed a new Polymath project: resolve Rota’s basis conjecture.
What’s that? It’s this:
… if $B_1$, $B_2$, $\ldots$, $B_n$ are $n$ bases of an $n$-dimensional vector space $V$ (not necessarily distinct or disjoint), then there exists an $n \times n$ grid of vectors ($v_{ij}$) such that
1. the $n$ vectors in row $i$ are the members of the $i$th basis $B_i$ (in some order), and
2. in each column of the matrix, the $n$ vectors in that column form a basis of $V$.
Easy to state, but apparently hard to prove!
MathEd.net wiki
Raymond Johnson, a mathematics education graduate student, has started a wiki to “bring greater visibility and connectedness to mathematics education research.” The blurb on the site’s front page does a good job of explaining itself, so I’ll just repeat it here.