Math
105 (Basic Number Theory)  Summer II 2019
Professor: CRISTIAN
D.
POPESCU
 Lectures: MTW 9:0010:50am, in AP&M B412
Office Hours: MW 11:0012:00,
in AP&M 6218.
Office: AP&M
6256;
Phone: 8585346297; Email: cpopescu@math.ucsd.edu
Teaching Assistants: TIANHAO WANG 
Discussion
Sections: Tu 12:001:50pm in AP&M 6402
Office Hours: ThF 12 in AP&M AP&M 2313.
Email: tiw069@ucsd.edu
COURSE DESCRIPTION
WHAT IS MATH 105?
This is a course in number theory, focusing on the basic properties of
integers. We will cover most material of Chapters 1, 2, 3, 5, 6 in the
textbook.
TEXT Harold M. Stark An Introduction to Number Theory, MIT Press 1987
EXAMS
 Midterm  Monday, August 19, 9:00am, in B412.
Topics: Chapters 12.
 Final Exam  Friday, Sept 6, 8am11am.
Location: B412. Topics: Chapters 1,2,3,5.

No notes, textbooks, calculators
are allowed during exams. No makeup exams will be given and no late
homework will be accepted. Cheating on an exam results in 0 points for
that exam, as well as
further disciplinary action. Please
read very carefully the following ACADEMIC
INTEGRITY GUIDELINES.
GRADING POLICY
 Midterm: 25% each; Final Exam: 50%;
Homework: 25%. The grading will be done on a curve, the median
corresponding to a B/C+.
CLASSROOM CONDUCT EXPECTATIONS
 Electronic
devices: Please do not use electronic devices (such as cell phones, laptops,
tablets, iPods) for nonclassrelated matters while in class/section.
No visual or audio recording is allowed in class/section without prior
permission of the instructor (whether by camera, cell phone, or other
means).
 Conversations: Please avoid having private conversations with your classmates during lecture and office hours.
 Email
etiquette: I will not discuss mathematics (e.g. solutions or hints of
solutions to HW problems) via email. Office hours and lectures are the
best venue for that purpose. However, if you have any type of
administrative questions regarding this class, please do not hesitate
to send me short and to the point email messages.
GETTING HELP
Help with mathematical problems:
 Section: Ask
questions in section  this is one of the main reasons why sections
exist.
 Office Hours: You
are strongly advised to take full advantage of your professor's and
ta's office
hours.
 Classmates: Sometimes
a classmate can help. Sometimes you can learn by working out problems
together with your classmates.
Help with personal problems which
affect your class work:
 Talk to the professor or, if appropriate, your
college provost.