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Again, apologies for the hideously scanty posting. Been in the lab doing some really interesting research which will with some luck get me in a really nice journal, as well as doing the various rounds of revision on the paper for some previous research. Also putting two talks together for a conference/school. That whole wedding planning ain't doing wonders for my spare time either. But hey, these are all good things so I'm not complaining.

Here's a simple function that's not so often found in mathematical physics, but it's still a nice showpiece for exhibiting some interesting behavior:

Sorry for the two-day delay. The personal business to which I alluded kept me out until yesterday morning, delaying this post until today. I hope it's decent for all that! This week, the same function as last week. There's nothing so special about the function itself, but it does serve as a nice Rorschach blot to project our own wandering mathematical thoughts upon. As with last time, the specific "f(x) = stuff" form of the function is not particularly enlightening. It's just a few lines tacked together. The graph is all we need.

They are saying that retail pay has gone up by 10%. now, again, they are saying that retail pay has gone up by10%. now, again, of they are saying that retail pay has gone up by 10%. now, again, of kick understand that one. certainly they have been recruiting enter markets around my way because they have been so busy. and that the retail trade is back in full swing, i'm sure they're looking for staff but the 18% thing in hospitality, i'm a bit staggered by. i 1896 thing in hospitality, i'm a bit staggered luv-— staggered by. i think part of it is the losin: staggered by. i think part of it is...

Well, it's Gabriel, Gabriel playin'! Gabriel, Gabriel sayin' When I blow my horn?" - Cole Porter, Anything Goes The commenters in last week's Sunday Function proposed an excellent idea for this week. As we did then, we'll start simple and work up to it. Graph the curve f(x) = 1/x. Now take the horizontal axis and think of it as an axle, one that can rotate smoothly. Hook a motor onto it and spin it up to a nice fast clip. The graph of the function will trace out a surface in three-dimensional space. In the business, we call it a