REVISED "FIRST DAY" HANDOUT

COURSE:   Introduction to Number Theory,      M328K  #52870,    Spring 2020
------    TTh 11:00 - 12:30, via Zoom.  Read the lecture notes before

PREREQUISITES:  M341 or M325K, with a grade of at least C-
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TEXT:     Kenneth H. Rosen, "Elementary Number Theory", 6th ed. recommended
----
SYLLABUS: induction,  divisibility,  prime numbers,  fundamental theorem of
--------  arithmetic; congruences, applications, Chinese remainder theorem,
     Euler theorem; multiplicative functions, Möbius inversion, cryptology;
     primitive roots, index arithmetic; quadratic residues; cont. fractions

INSTRUCTOR: Hans Koch,
----------  Office Hours Mon Fri 2:30 - 4:00 pm,  via Zoom     | 93 -100 A
                                                               | 89 - 92 A-
GRADING:  Letter grades  (A,A-,B+,...,D-,F)  will be given for | 85 - 88 B+
-------   each exam, but number grades  (100,99,..,2,1,0) will | 81 - 84 B
          be kept for averaging.  The course grade is obtained | 77 - 80 B-
          by averaging the number grades of the 3 exams and of | 73 - 76 C+
          the  homework.                                       | 69 - 72 C
                                                               | 65 - 68 C-
HOMEWORK  will  be  assigned  on Tuesdays  and  collected  one | 61 - 64 D+
--------  week later  via Canvas.  Each assignment  is graded  | 57 - 60 D
          on a scale  from 0 to 20.  Half the sum  of the  ten | 53 - 56 D-
          highest HW scores contributes 10% to the class grade.|  0 - 52 F

EXAMS: Two 75 minute class-period Exams (1 and 2)| Exam 1  (Th Feb 20)  25%
-----  and a 180 minute Final   (Exam 3, 2-5pm)  | Exam 2  (Th Apr  2)  25%
       Online extension:  6 hours  time between  | Exam 3  (We May 13)  40%
       assignment  and file  upload  via Canvas. | Homework             10%
       The exams  are  mostly  on new  material.
       No  make-up exams, except in cases of documented emergencies.

DROP deadline:  April 6,  Monday.  Last day  an undergraduate student  may,
---- with the dean's approval, withdraw from the University or drop a class
     except for urgent and substantiated, nonacademic reasons.

SSD: Students with disabilities may request appropriate academic
     accommodations from the Division of Diversity and Community Engagement,
     http://diversity.utexas.edu/disability/

MORE INFO: See the class web page http://www.ma.utexas.edu/users/koch/M328K/
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