Recent content by AndreasC

Taylor is good and friendly. Landau+Lifshitz is very good and unfriendly, if you're into that sort of thing.

I kinda forgot about this thread for a while, but here is one error that I just noticed. In page 337, while working out the partition function for a (Euclidean) CFT on a torus, they write the translation operator that translates by a full period in the direction of ## \omega_2 ## as: $$ \exp...

Wait wait wait. Who said Q-day will happen by 2035? I have some serious doubts about that.

I'm reading now that the caldera has risen by about 4cm and moved eastward by about 6cm since August, according to Greek scientists. https://www.naftemporiki.gr/society/1912127/th-gkanas-anypsothike-kai-metakinithike-i-kalntera-ti-simainei-ayto/

About no uplift being recorded, I saw Costas Synolakis (professor in University of Southern California, from his scholar profile I see he mainly has research on tsunamis) say they have noticed some uplift. I couldn't find a page in English, but you can translate this from Greek...

There's another thing some of them are worried about. People are cancelling their vacations. It's a multi-million euro industry. Personally, I believe that's the only good thing that might come out of this. These islands have been wayyy overexploited these last years for tourism, to the...

These last days, there is a seemingly endless cluster of rather powerful earthquakes close to the islands of Santorini, Amorgos, Anafi, and Ios. Remember, this is a highly volcanically active region, Santorini especially being famous for the supervolcanic eruption which is conjectured to have...

The answer is tablets with a stylus. It saves you from wasting tons of paper, carrying around notebooks and forgetting where you wrote things. Plus you can easily copy/paste and erase things.

I tried and failed to find errata to this very commonly used book. However, I did succeed to find errors, including some in exercises, which is really annoying. Does anybody have any idea of where I could find errata, or possibly where I could post the errors I find so that others don't spend...

Well the thing with that is, there isn't that much to memorize, it's understanding that's hard.

I should probably add the qualification "as long as it's at least conceivable" to my question...

That's a decent one.

What in physics (or some other topic) would you memorize if you could? Yeah I know memorization doesn't usually have a point, just asking, if you could just do it without effort, what would it be? Or maybe you have done it, in which case, what is it?

Maybe 150 years ago. People on the internet are often wrong. Actually people in general are often wrong. And often people do have misconceptions. I don't understand what that has to do with religion. Some people being confused about something doesn't make it controversial, and even if there is...

Mathematics is literally full of cases where you may start with a definition that is in terms of something specific, then generalize it to a larger domain. There is no difference between that and what you are saying.