Cubs 6 Diamondbacks 2

August 25, 2007 at 8:48 pm | In Baseball | 3 Comments

I went up to Phoenix last night with the following motley crew of math(s) grad students to see a baseball game – the Arizona Diamondbacks against the Chicago Cubs.

 Ben  casey   bob   nate

 We drove about two hours through the desert wasteland and then a short distance throught the urban wasteland of Phoenix (the 5th biggest city in the US but it barely has a city centre). Phoenix is even hotter than Tucson, due to being at a significantly lower altitude and being built entirely out of concrete.

The stadium itself is a pretty amazing structure  with a fully retractable roof and some impressive air conditioning. It also has a pool in deep right field. We were sitting in the top tier just to the left of the foul line next to right field (just back and right of the boundaries of the photo below).

 

baseball field

As befits mathematicians attending the sport with the most statistics in the world (both in number of different things measured and sheer volume of data – there are over 2,400 games played in the regular season), one of our number brought along a scorebook. This introduced me to the rather subjective world of baseball scoring – if the second baseman dives to get a ground ball and then a base runner knocks the ball out of his glove should that be scored as a hit to the batter or an error from the fielder?

The game itself was fairly low scoring (a pitching duel as it is called). The cubs scored two in the first inning, but then the Arizona pitcher hit a home run in the second inning. Everybody though this was quite exciting – as in cricket the pitchers generally have much lower batting averages than the batsman/position players (something like 0.100 compared to 0.300). But Arizona’s starting pitcher on the night was a shortstop in college and is actually quite a good hitter.

Sidenote: Arizona plays in the National League (Major League baseball is split up into  the National League and the American League). In the American League the Designated Hitter rule is in effect so pitchers almost never bat. Im already convinced that the Designated Hitter rule is terrible – it robs us of the equivalent of watching Glenn McGrath bat.

After this the Cubs scored one run in the 6th to take the score to 3-1 going into the 9th and final inning. There were some nice double plays and bases stolen etc. – the afficianados particularly enjoyed a runner being picked off at home when the infield was playing back. At one point there was an altercation between the umpire and a player about the strike zone but disappointingly this didn’t degenerate into a bench clearing brawl.

In the top of the 9th the Cubs piled on three runs. The Diamondbacks pulled one back and had runners on first and second but one final fly ball to the infield finished the game.

We had some interesting discussions about the rules. Here are some of the less obvious ones:

- There are highly complicated rules that prevent the pitcher bawking the batter/runners. If you are the pitcher and have your foot on the rubber then touching your mouth with your hand, swivelling your neck too much, throwing a pitch without waiting for a beat in the position etc will give all the runners a base.

- If there is a runner on first and a fly ball is hit into the infield then it automatically counts as being caught. This is to prevent the fielding team letting it bounce to attempt the double play.

- If a ball leaves the field on the bounce then it advances all runners by two bases.

 Overall, baseball is not as good as cricket but it’s still fun and it has the advantage of being on whenever you turn on the TV.

The answer is no

August 25, 2007 at 7:25 pm | In Teaching | Leave a Comment

A verbatim email from one of my students:

 

Dear Mr. Leslie,

I was wondering if you would be free at this Monday at 7:00 pm to go over “domains and zeros” of a function with me.

Sincerely,

A Student

Bob Log III

August 19, 2007 at 5:15 pm | In live music | 1 Comment

Last night I went to Plush, a bar/live music venue on 4th avenue to see local hero Bob Log III.

bob log

Bob is a one man blues rock band: as he puts it “my right foot plays drums, my left foot cymbals, my hands play the guitar and the helmet does most of the talking”. He wears a full motorcycle helmet with a telephone installed as a microphone.

As usual one of the highlights was “boobscotch” where an audience member stirred a scotch on the rocks with her boob.

Plush is a decent intimate venue – maybe twice as wide as the troubadour and about as deep. It was packed last night and pretty sweaty. There was also a bit of aggro in the crowd – a lot of jumping around and some crowd surfing. Time will tell if that is a cultural difference or just Bob Log’s fans.

Other venues I’ll have to check out:

A non-random walk around campus

August 19, 2007 at 5:00 pm | In photos | 4 Comments

Me walking to the math department, then the student union, then back to my housing.

A buildinh

 

palm trees

 

math building

 

the mall

 

Another building

 

nice grass eh?

 

cactuses

 

more cactuses

 

saguaro cactuses

 

the old main

 

la aldea graduate housing

Sav Rocca gets hit

August 17, 2007 at 5:08 pm | In sport | 2 Comments

Sav Rocca, the former Australian rules football player, got a tryout for the Philadelphia Eagles in the NFL preseason. After a nice punt he got hit pretty hard.

Note for any American commentators reading: Rocca rhymes with soccer not poker.

From what I can gather getting hit 50 metres away from the ball is legal but a helmet on helmet hit should be a 15 yard penalty.

Similar hits do happen in Australian football (ball has to be within 5 metres) but it looks like Sav didn’t see this one coming. He got up pretty quickly though.

The X-men

August 12, 2007 at 9:53 pm | In Alphabet teams, Cricket | 4 Comments

After Dave’s possibly facetious request to list the greatest XI cricketers starting with X I have done this.

Xavier Marshall (2 tests + 11 ODIs for WI, averages less than 10 in both forms but has scored a List A century)
Xavier de Gersigny (6 FC games for Natal, 132 runs @ 14.66, 4 wkts @ 78.50)
Xavier Doherty (27 FC for Tasmania, 441 runs @ 13.36, 60 wkrs @ 56.23)
Xenophon Balaskas (c) (9 tests for SA, 174 runs at 14.5 and 22 wkts at 36.63)
Xavier Winderickk (scored no runs and did not bowl in two games)
L Xakwe (played one game for Kei, scored 5 and did not bowl)
Jacob Xalitre (New Caledonia, 12 runs in 3 innings)
Jonathan Xalitre (New Caledonia, 0 runs in 2 innings)
A Xapile (took 0/37 off 6 and scored 0 for Eastern Cape against Zimbabwe)
Lundi Xongo (Played for Western province, scored 1 run and took 0/30 in a one dayer, did not bat and took 0/11 in a FC match)
E Xulu (Was run out for 0 and took 0/27 off 3 against Bangladesh).

Wicketkeeper to be decided when the players turn up.

NOTES:

  • I cheated by allowing player’s whose first name starts with X. It helps but not that much.
  • These are some pretty pitiful players. The bottom seven in the 12 games I could find information for scored 18 runs and took no wickets.

Baseball

August 12, 2007 at 7:36 pm | In Baseball | Leave a Comment

I have now watched about 2.5 games of baseball and am starting to see some of its appeal.

However what I am most excited about is the Little League World Series. I watched the ESPN broadcast of the Arizona team beating the Southern California team to qualify for the world series in Williamstown next week.

This featured 12 year olds who were throwing 70 mph fastballs, beautiful curveballs and generally looked about as good as professionals (except the catchers weren’t very good for some reason). The pitchers mound is 40 yards from the batter for little league instead of 60 for the pros so there is actually about the same reaction time for the batter.

It was brilliant: the kids looked really serious, the coaches were mostly former professionals, huge crowd. There are a few concessions to childhood – a pitcher is only allowed 85 pitches a game and every player has to have at least one at-bat and three defensive outs.

If you are not convinced how serious this is consider the scandal of Dannygate.

Never have I felt so integrated and orientated

August 12, 2007 at 7:05 pm | In Uni | 1 Comment

I have been to an endless cavalcade of orientations lately. Useful things I have learned:

  • I need to get my I-20 visa form signed by a Designated School Official before I leave the USA or I might not get back in.
  • I have to click a button on the internet to get health insurance.
  • My college algebra students are going to be hugely underprepared, immature and unwilling to accept the fact that they got B’s on this material in high school yet are failing at the university level.
  • Drink lots of water.

Non-useful facts:

  • Unlike in Asia, plagiarism is not encouraged in the USA.
  • It is not possible to stockpile rattlesnake anti-venom for personal use (this was in response to a question from the audience).
  • If I have a cough I may have tuberculosis.

Teaching and Learning

August 12, 2007 at 6:53 pm | In Mathematics, Uni | 4 Comments

Courses I will be taking this semester:

MATH 511A — Algebra (3 units)
Description: Structure of groups, rings, modules, algebras; Galois theory.

MATH 523A — Real Analysis (3 units)
Description: Lebesgue measure and integration, differentiation, Radon-Nikodym theorem, Lp spaces, applications.

MATH 534A — Topology-Geometry (3 units)
Description: Point set topology, the fundamental group, calculus on manifolds. Homology, de Rham cohomology, other topics.

MATH 597T — Professional Development Workshop in Teaching Mathematics (1 unit)
Description: Introduction to the theory and practice of teaching lower-division college mathematics courses. This course is required of and intended only for Math and Applied Math graduate student GATs who are teaching in the Math Department for the first time.

Course I am teaching this year:

MATH 110 — College Algebra (4 units)
Description: Topics include properties of functions and graphs, linear and quadratic equations, polynomial functions, rational functions, exponential and logarithmic functions with applications, sequences and series. Course includes an integrated review of important concepts in intermediate algebra. Students are expected to have a graphing calculator.

It seems as though they actually assign and require textbooks in this country for high level maths courses. Luckily I had a $250 gift card to the bookstore for participating in the integration workshop so I purchased some texts:

textbooks

Exercise for the reader: which of the algebra texts is for the year 10 level maths course I am teaching and which is for the graduate course I am taking?

Housing

August 9, 2007 at 6:40 pm | In Life in America, photos | Leave a Comment

I am staying at La Aldea, the graduate housing at the university in a four bedroom apartment.

My housemates are Jong, Yushi and Sean (actually Yu-Hsiang) from Korea, Taiwan and China respectively. They all seem nice.

I’ve got a few pictures of various parts of my room.

desk

My workstation. I purchased a desk, chair, speakers and 19″ widescreen monitor. It’s a pretty sweet setup.

bathroom

wardrobe

bed

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