Workout notes: easy 2 mile jog on the treadmill (22:15). I just had breakfast and am waiting for rush hour traffic to lighten up a bit before getting on the road.
Weird FANS note: I did one lap with Centurian John Greene. He is also a math professor; he was working this years event as a volunteer. We..talked math.
He told me about two of his published results. One was about unique factorization domains (UFD): his result showed that every UFD has an “almost Euclidian algorithm”. His other was about the trace of 2 x 2 matrices and how the trace behaves under matrix multiplication. It turns out that when 3 matrices are multiplied (in various orders), a certain property is obeyed with probability . Note: the assumptions is that the matrices have real entries and that the entries are selected via a normal probability distribution.
Now how cool is that? I had a moving mathematics seminar.
Note on yesterday’s baseball game and today’s hotel stay
Yes, I had club seats (splurge, though I paid a discount price). I was uncomfortable with all of the service (being deferred to by attendants, etc.). I ate breakfast at the hotel. I got the “full” breakfast and ate..what I normally eat. My tummy just can’t hold that much anymore. I don’t like trying to drive while stuffed.
For me, luxury (middle class luxury anyway) is a big waste of money (even when purchased at discount rates), or at least these luxuries.
I’d never cut it as a Republican.
Accepting defeat and moving on
This result stung. I won’t pretend otherwise. I was struggling 1/3 of the way into the race and that is not a good place to be, at least so early on. I’ve thought about what went wrong, and it is possibly one of two things:
1. I didn’t do enough of the “right kind” of training (e. g. monthly 6-8 hour training sessions) even if my total weekly milage was ok.
2. I just can’t do these events any longer.
And yes, there is a bit of envy when I see the successful basking in the glow of their successes …my thinking “dammit, that used to be me”. Well, it is not me any longer. When it comes to sports, you are what you do…that is, what you CURRENTLY do, not what you did 10-12-15 years ago.
But there is still plenty of time for redemption. I have some ideas for a math paper (more important than my sports), and I still am on track to attempt to run a marathon this fall, hopefully in less than 5 hours. My “long run pace” is right as is my training mileage, and this weekend’s event didn’t set me back. So I have goals to work toward, and striving for these, rather than envying others or longing for past successes, is the way to emotionally heal. Nurturing resentments doesn’t help.
And there is my home. My wife: yes, I am glad that the fitness bug bit her in a minor way. This should add some quality of life for her and I want to remain encouraging. But: last night, she listened to my whining for about a minute or two and then wanted to know if I remembered her text about what SHE did…parked 2.5 miles away from lunch, walked to lunch, and walked 2.5 miles back. Yeah, I know, my first marathon and 50K were very slow (7:12, 8:40 respectively, but remember I was going at my “I hope to go much longer than this pace”) but in my current emotional state, it is hard for me to work up much enthusiasm for my wife’s “feat”, even if she got a ton of “likes” for it on Facebook, way more “likes” than any of my marathons/50 milers get.
But that’s how it works. A “I got an A on my calculus test” gets more attention than “I published another math paper”; it is WHO you get the kudos from that counts.
The Dean opens it up (talks about 1:30 or so) and introduces me. Then I talk for about 5 minutes, and then the speaker gives an excellent talk about topology, algebra and the mathematics of financial prediction. So if you haven’t met me in person, this is what I sound like.
I have to cover for someone’s class, which cuts into my morning workout. Hence today I ran 5 miles over lunch (about 5.2 actually)
Good news: it was very pretty, though there was a breeze. I did 2 lower Bradley loops (1.22-1.24 miles each) in 21:39 (8:44-8:52 mpm) with the laps being 11:05/10:34. I walked the big hill coming out of the park after these two laps, and then slow jogged it home. Hey, 5 miles are better than zero.
I do have to get new shoes though as my teeth are starting to rattle as I run.
Think of this: suppose you have an ordered list of ingredients of a food stuff (say, water, salt, sugar, gelatin..), the weight of a serving, and the amount of say, protein, fats, sugar (nutritional information on the label).
You can use linear programming (and similar techniques) to determine upper and lower bounds for the various ingredients and have a phone application do this.
Why is this important? Some people have dietary restrictions (e. g. some can’t process phenylalanine) and therefore have maximum amounts of this substance they can have in their daily diet.
Workout notes: 8 mile “run” on the Rivertrail to Glenn Oak Park, up Prospect and into Springdale to the Mausoleum and around that small loop. It was windy and just under freezing; not bad running weather though. The footing was mostly good.
Not shown is the small spur I did on the trail which parallels Perry Ave.; that was iced over so I turned around but I did enough to get 8.
Then I did 10 minutes on the elliptical and a few weightless squats to loosen up.
Note: while out on the “run” I found a dollar bill.
Walk of Shame I took a whole stack of books to the library; they were mostly for a project that didn’t work out. But I did check out a new book to look at something else and what did I find in that book?
I put it on social media but that isn’t exactly “like-bait” But seeing that did remind me that I need to get moving. It has been too long since I’ve had one of these.
I am thinking about things and I have a mystery that I don’t understand…yet. For the mathematically inclined: it has to with speeding up the convergence of an alternating series by using Cesàro summation. For the first two examples I’ve tried (one conditionally convergent, one absolutely convergent), the convergence sped up by a constant multiplicative factor. That isn’t very good for computational purposes, but why “that” factor and not some other one?
Workout notes: 8.3 course in 1:31:10 (about 1:30 slower than last week; but it was 24 F (12 F colder) and I ran a reasonably tough 8 two days ago). I was 43:49 at Heading, 1:22, 46:06 for the last 4+ (10:00 from the Park exit to home).
There were some trees down: a big one that I ran under and a smaller one I ran around (on the way up from the bridges to Cornstalk) and one I stepped over on the way down from Cornstalk to the lower park entrance.
I didn’t feel that good until mile 3 or so.
Then we got take out from Jerusalem restaurant and Tracy came over to watch Notre Dame vs. Ohio State in the Fiesta Bowl.
Though ND moved it well, at times, they were outclassed 44-28. Ohio State had it all: running, short passing, deep threat. But ND didn’t embarrass themselves the way that Iowa is doing in the Rose Bowl (down 35-0 to Stanford at the half).
My goal for 2016: aside from my usual “one marathon or longer” goal, I’ll need to get to work on professional stuff. I don’t want to stagnate. I’ve got 3 ideas to work on, and I need to do it next week. One idea will just result in a dumb blog post that might help with calculus teaching; one will be an exploration of a “long shot” idea and the third is the mostly likely to pay off as a research paper.
Also, I want to read more books; I have one that I want to finish and I need to read some more substantial stuff. My brain is getting lazy.
The night classes are taking a bit out of me; I find myself sleeping in and starting my day later.
Workout notes: lifting only.
pull ups (4 sets of 10 plus a later set of 10) weak today
incline bench presses: 10 x 135, 3 x 160, 7 x 150 (weak on the 160 set)
dumbbell bench press: 10 x 70
military: 3 sets of 10 x 40 standing
pull downs: 3 sets of 10 x 160
rows: 3 sets of 10 x 200 Hammer
yoga (15 minutes worth; really sweated. Was able to headstand)
Math note: I figured out a homework problem that was puzzling to me:
It was to show that (note: refers to an expected value of a random variable of the length of time someone who is years old can expect to live past his/her current age).
It bothered me enough to disrupt my sleep two nights ago, but when I woke up, I was able to figure it out. I did a “happy dance” but in all seriousness, it wasn’t hard. It is just that I am having increasing doubts about my ability to learn new things. These doubts aren’t warranted…yet.
But yes, I bloody well SHOULD have been able to figure it out; it is just that I get mentally lazy at times.
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