Jason Rosenhouse received his PhD in mathematics from Dartmouth College in 2000. He subsequently spent three years as a post-doc at Kansas State University. Currently he is Associate Professor of Mathematics at James Madison University in Harrisonburg, VA. This blog is about science, religion, math, politics and chess, roughly in that order.

POTW 4!

Better late than never! A small technical SNAFU yesterday interfered with the well-oiled machine that is Problem of the Week. But now we’re back on track! The fourth problem has now been posted. The official solution to last week’s problem will be up by tomorrow.

A Review of Undeniable, by Douglas Axe.

Do you remember those commercials, from a few years back, for Excedrin headache medicine? There was a whole series of them. In each, some very normal-looking and totally relatable person would talk straight to the camera, explaining that he or she suffered from terrible headaches and had tried every other remedy. The climax of each…

Sully is Fiction

Kevin Drum has a short post noting that Trump has taught other Republican politicians how to lie more brazenly. Politicians have never been noted for their honesty, but we are seeing something new this time around. It is very aggravating that Trump simply makes it up as he goes along, while Clinton is the one…

POTW 3!

Just want to poke my head up to mention that I have posted a new POTW for you. You get three for the price of one this week. The official problem is pretty straightforward, I think, so I gave you two bonus problems just for fun. Enjoy!

POTW 2 Posted

The second Problem of the Week has now been posted. It’s a harder version of last week’s problem, but perhaps it is good for a bit of amusement. By its nature, it might be a bit hard to describe the solution in a comment, but have a look anyway.

On Morning Joe today, Mike Barnicle asked Libertarian Presidential candidate Gary Johnson what he would do about Aleppo. Johnson’s reply was, “What is Aleppo?” We’re done here. Johnson should withdraw from the race, go home, and never show his face in public again. When did running for President become a big joke? When did it…

A Lovely Move From the Chess Olympiad

I realize that I never finished the story of how I achieved the exalted rank of expert at chess. Suffice it to say that I played two more games beyond the ones I have already reported on. Both were against 1900 rated players and both were rather dissatisfying draws. In the first I had the…

The Return of Problem of the Week!

In a technical, legalistic sense, the semester started last week. But as far as I’m concerned, the semester doesn’t really begin until Problem of the Week returns! Our theme for this semester: Clock Problems. That’s not code for modular arithmetic or anything. I mean it literally. Every problem this term will feature clocks in some…

Back to School!

Classes start on Monday. I knew that intellectually, of course, but I had it brought home to me a few days ago when I innocently drove onto the campus, only to find a traffic jam and crossing guards directing the cars. Students were moving into the dorms, you see. Higher education is beset with problems…

Another Fake Clinton Scandal

The AP is breathlessly reporting that 85 out of 154 people coming from private interests (as opposed to governmental functionaries) who met with Hillary Clinton when she was Secretary of State were also donors to the Clinton Foundation. The headline: “Many Donors To Clinton Foundation Met With Her At State.” Perhaps you are wondering why…

Expert! Part Three.

I have previously mentioned that the Washington International was the best run and most enjoyable tournament I have ever played in. One reason was the fact that all equipment, sets and clocks, was provided. And not just any equipment! Look at these beautiful wooden chess sets we were given to play with: They even gave…

Expert! Part Two

My reward for winning in Round One was to be paired up for Round Two. My opponent was the top seed in the section, with a rating of 2179. I received my second white in a row. Here’s what happened. I started with my usual king pawn, and he replied with the Modern Defense. This…

Expert! Part One.

I know I haven’t been around for a while. Sorry about that. A bit of the summer doldrums I guess. But now I have big news to report, for the handful of people who like my chess posts. As big a chess fan as I am, I have been mostly retired from tournament play for…

The Darkness Will Persist…

I had a book deadline this past Friday. Making that deadline, which I did, thank you very much, has been all consuming for the past two weeks. And now I am on the road until July 16. So, the blog darkness will persist for a while. Sorry about that…

My Talk At MoMath

In April I gave a presentation on the Monty Hall problem, at the Museum of Mathematics in New York. That talk has now appeared on YouTube. Here it is: The talk is about fifty minutes, with twenty minutes of questions afterwards. There’s also a short introduction by Jason Rosenfeld, who is a statistician with the…