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Welcome to 8.251 for Spring 2007
Please look at
the information page.
05/31/2007 -- The Final Exam is now linked here.
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In preparation for the final exam,
Prof. Zwiebach will give a review/practice
session on Monday, May 21, at 7:30 pm
in room 4-231.
The final is at the Johnson Ice Rink on
Wednesday, May 23, from 9:00am to 12:00 noon.
The final test will require a calculator.
You can also prepare a 3-page formula sheet.
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05/18/2007 -- The solutions to the practice problems have been corrected, adding a missing page to the Problem 4 (Textbook Problem 14.9) solution.
05/17/2007 -- Solutions to the practice problems are now available here.
05/16/2007 -- Solutions to Homework 11 are posted.
05/14/2007 -- Test 2, and its solutions, are now linked here.
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Here is a set of practice problems relevant
to the material that we are covering in the
last two weeks of class.This is not a homework.
Solutions will be published next week. A good
study strategy would be to work for an hour
or so on each problem before reading its solution.
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05/10/2007 -- **Homework 11** is available (and the links have been fixed).
05/09/2007 -- Alan Guth will have office hours on Thursday, May 10, from 7:00 pm - 9:00 pm, in the usual room, 8-320.
05/02/2007 --
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Test 2 is tonight (Wednesday, May 2) at Walker Memorial,
Room 50-340, from 7:30pm to 9:00pm. Please be
there promptly on time. You do not need calculators
nor rulers. Bring your personal formula sheet.
Prof. Zwiebach will be in his office, available for questions, from
1:00 to 1:45 pm, and from 4:30 to 5:30 pm. (Wed. May 2) .
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05/01/2007 -- There have been requests for the TeX file for Alan Guth's review notes, 8251-test2-review.tex,. It is formatted as Plain TeX, and uses Guth's macro files gmacro.tex and ggfontcm.tex. The currently posted TeX and PDF versions correct two typos (Eqs. (3.43) and (4.32)) in yesterday's version.
04/30/2007 -- Alan Guth has prepared a set of Review Notes for Test 2, and he suggests that you print them and bring a copy to the review session tonight: Room 24-307, 7:00 pm.
04/28/2007 -- 2 new announcements:
04/19/2007 -- 3 new announcements:
- Homework 10, due Friday April 27 (5:00pm) is now available (Note new due date).
- Office Hours next week will be on Wednesday April 25, 7:30-9:30pm, in 8-320.
- **UPDATED ROOM*** Review session for the test (Wednesday May 2) will be held on Monday April 30, at 7:00pm, in 24-307.
04/16/2007 -- Four new announcements:
- Although there are no classes on Tuesday, 4/17/07, Alan Guth will have office hours from 7:30 pm - 9:30 pm, Room 8-320. Note that the starting and ending times are both one half hour later than usual.
- Solutions to Homework 8 are posted.
- If you had trouble reading the last page of the solutions to Homework 7, you will be happy to know that a new version has been posted. The original version was posted by mistake with Macintosh fonts. If you have trouble reading any of the files on the 8.251 web site, please inform Alan Guth.
- A corrected version of Homework 9 has been posted. In Problem 5(b), the word "from" was changed to "form".
04/13/2007 -- Readings on calendar have been updated.
04/11/2007 -- Updated version of Homework 8 posted. Homework 9, due Wednesday, April 18, is now available.
04/06/2007 -- Homework 8, due Thursday, April 12, is now available. Solutions to Homework 7 posted.
03/25/2007 -- Two new announcements:
03/24/2007 -- Homework 7, due Thursday, April 5, is now available.
03/23/2007 -- Calendar has been updated. Changes include the following:
- Tuesday, April 3: Lecture is cancelled.
- Wednesday, April 4: Prof. Zwiebach will hold office hours from 8:30 - 10:00 pm, in 8-320.
- Friday, April 6: Recitation will be replaced by a lecture by Prof. Zwiebach; usual recitation time and place: 2:00 pm, 56-114.
03/14/2007 -- There are a number of announcements:
- Prof. Zwiebach will hold office hours (at his office,
NE25 - 4035) Tuesday March 20 and Wednesday
March 21 from 2:30 to 3:30pm.
- Test on W, March 21: Bring a calculator and a ruler.
Chapter 8 is not included.
- Homework 6: Problems 4, 5, and 6 are now due on Friday March 23, at noon.
Problems 1, 2, and 3 are still due today (March 20) at 5:00 pm. The solutions
to these problems will be posted at 5:00pm.
- Following institute regulations concerning tests outside class time,
the Friday (March 23) recitation has been cancelled.
03/14/2007 -- There are a number of announcements:
- On Monday evening, 3/19/07, at 7 pm, Alan Guth will hold
a review session in Room 4-231. The review session will
probably run about an hour and a half, and will be
followed by an office hour.
- The midterm exam from
2005, and its
solutions, are available to help you study for Test
1.
- Test 1 will take place on Wednesday evening, 7:30 - 9:00
pm, in Walker Memorial, Room 50-340. The test will be
closed book, but you may bring 2 pages (or 2 sides of
one page) of personal notes that you will be allowed to
use during the test. Bring calculators.
- Homework 6 has been
corrected. (Problem 1(d) has been revised.)
- Alan Guth wanted to patch up his discussion of cosmic
string deficit angles in recitation last Friday, so he
has written the memo linked
here.
03/14/2007 -- Solutions to Homework 5 are posted.
03/13/2007 -- Homework 6, due Tuesday, March 20, is now available.
03/09/2007 -- Despite remarks in recitation about the possibility of postponing Homework 5, it is NOT postponed. Office hours will take place Monday, 3/12/07, at the usual time and place, 7-9 pm in 8-320, with Prof. Zwiebach. Homework 5 is due on Tuesday, 3/13/07, at 5 pm, as originally scheduled.
03/08/2007 -- Solutions to hw4 posted.
03/07/2007 -- Homework 5, due Tuesday, March 13, is now *available*.
03/03/2007 -- Homework 3 Solutions posted. Problem 5 of Homework 4 will be held over until the next homework set. Office hours for Homework 4 will be on Tuesday, March 6, 7-9 pm in 8-320.
02/28/2007 -- Homework 4, due Wednesday, March 7, is now *available*.
02/22/2007 -- Solutions to Homework 2 posted. Calendar is updated. Note: Homework 3 is now due R, March 1st. Please review information..
02/20/2007 -- Homework 3, due W, Feb. 28 is now *available*.
02/14/2007 -- Homework 1 Solutions posted. Homework 2, due W, Feb 21 now available.
02/09/2007
- David Ely (8.251 student) has brought to our attention, an online book on tensor calculus at http://www.math.odu.edu/~jhh/counter2.html. It seems to have a nice detailed discussion of index notation.
- Office hours this Monday, February 12, 7-9 pm, Room 8-320. Come with your questions on homework 1.
02/07/2007 -- R01 room changed to 56-114. R01 still Friday's at 2pm.
02/06/2007 -- Homework 1 , due T, Feb. 13 is now available.
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