MA-410 Theory of Numbers Spring 2011 Withers 160, MW 10:15-11:30am

## Current Announcements

• NEW I have submitted the final course grades (anonymous sorted list) to the registrar. The anonymous sorted grades for the final exam, Final/sorted_grades.txt.
• NEW The anonymous sorted grades for the combined homeworks scaled to 25, Homework/sorted_grades.txt.
• NEW The final exam is on Friday, May 6, at 9am in our classroom. You may bring 3 sheets of notes (with text on both sides).
• NEW Several of you on Homework 4 wrote a Jacobi symbol (n/2) or (n/6), which is undefined for even denominators. Instead, when applying quadratic reciprocity and keeping all denominators odd, factor powers of 2 from the numerator of the Jacobi symbol, ((2e·m)/b) = (2/b)e· (m/b), where m is odd, and (2/b) = (-1)(b²-1)/8. Then you can apply quadratic reciprocity to (m/b).
• Homework 4 is posted. Due last day of class.
• The course web sites for Spring 2010, Spring 2009, Spring 2008, Spring 2007 and Spring 2005 contain old homeworks, mid-semester exams, and anonymous grade lists.
• My office hours are listed on my schedule.

 This semester's first and second midterm examinations and final examination (for dates see syllabus) Homework 1, due Monday, Feb. 7 at 16:59pm, in my mailbox in SAS 3151. Homework 2, due Wednesday, Mar. 16, at 16:59pm, in my mailbox in SAS 3151. Homework 3, due Thursday, Apr. 21, 16:59pm, in my mailbox in SAS 3151. Homework 4, due Thursday, Apr. 28, 16:59pm, in my mailbox in SAS 3151. Web resources for the course Maple basic lesson from MA 141 Victor Shoup's downloadable book A Computational Introduction to Number Theory and Algebra

## Old Announcements

• Homework 3 is posted. Due Thursday, April 21, 5pm.