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diff --git a/journal/05feb2009.html b/journal/05feb2009.html new file mode 100644 index 0000000..64be27f --- /dev/null +++ b/journal/05feb2009.html @@ -0,0 +1,47 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" +"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml"> +<head><title>bnewbold thesis</title></head> +<body style="margin: 25px; font-family: helvetica;"> +<h1 style="border-bottom: 2px solid;"> +Journal: Feb 05, 2009</h1> +<i>Bryan Newbold, <a href="mailto:bnewbold@mit.edu">bnewbold@mit.edu</a></i><br /> +<i><a href="http://web.mit.edu/bnewbold/thesis/"> +http://web.mit.edu/bnewbold/thesis/</a></i> +<br /><p /> +<!-- ================================================================ --> +<!-- ================================================================ --> + +Today i'm skimming through sections on pullbacks and pushforwards without much +understanding; I think i've gone pretty far down the math path for now and need +to push through to some physical problems. I can return later if I need to? +It looks like ultimately it will be a good example of the functional approach, +but stumbles before strides. + +<p /> +To define: Cartan, Christoffel, + +<p /> +I like the list of thing which are important enough to be refered to with a +"the-" prefix in scheme: +<pre style="margin:20px; border-left: solid grey 3px; background-color:lightgrey +;padding:5px;width:750px;"> +the-cons-table the-empty-stream the-environment the-environment? +the-ether the-null-symbol the-real-line +</pre> +What components of the entire operating system are unique/important enough to +be refered to this way? The only "a-" is a-reduce, which while technically +"a" thing, doesn't refer to just any old reduce. This makes sense. + +<p /> +Whew, finally got through the end of the differential geometry memo, at least +skimming through it. Looks like there's plenty of work still to be done! Of +course i'm sure a lot of it is in will's calculus additions, i'll have to +look through that next. +<br /><br /> +<a href="04feb2009.html"><i>(previous entry)</i></a> + +<!-- ================================================================ --> +<!-- ================================================================ --> +</body> +</html> |