[Math 4123A/9023A Home
Math 4123A/9023A: Rings and Modules, Fall 2017
Please check this page regularly for updates and announcements.
The first class is on Friday, September 8, 2017, and will be a
||nlemire at uwo dot ca
||Abstract Algebra, Third Edition, by David S. Dummit,
and Richard M. Foote, published by John Wiley and Sons, Inc.
|| Math 3020A/B or equivalent.
Rings: fractions and localization, Chinese Remainder Theorem, factorization in commutative rings, Euclidean algorithm, PIDs, algebraic integers, polynomials and formal power series, factorization in polynomial rings; Modules: generation, direct products and sums, freeness, presentations, tensor algebras, exact sequences, projectivity, injectivity, Hom and duality, Zorn's Lemma, chain conditions, modules over PIDs.
The course material corresponds to Chapters 7, 8, 9, 10 and 12, of the
text, plus some additional topics.
Link to UWO course calendar.
Evaluation of Student Performance (for Math 4123A):
Evaluation of Student Performance (for Math 9023A):
There will be 6 or 7 assignments.
They are due at the beginning of class.
Click here for a list of exercises
and the procedures for handing in homework.
The lowest (or missing) assignment grade will be dropped when
computing the course grade.
The assignments are to be thought of as take-home exams and
should be done entirely on your own.
Refer to the Section below on Academic Offences for more information.
The date of the midterm exam will be determined soon.
Final Exam Information
The date for the final exam will be determined soon.
Senate Policy On Prerequisites
Prerequisite checking is the student’s responsibility. Unless you have either the prerequisites for this course
or written special permission from your Dean to enroll in it, you may be removed from this course and it
will be deleted from your record. This decision may not be appealed. You will receive no adjustment to
your fees in the event that you are dropped from a course for failing to have the necessary prerequisites.
Statement on Academic Offences
Scholastic offences are taken seriously and students are directed
to read the appropriate policy, specifically, the definition of what
constitutes a Scholastic Offence, at
Absence/ Missed Work
If you are unable to meet a course requirement due to illness or other serious circumstances, you must
provide valid medical or other supporting documentation
to your Dean’s office
as soon as possible
. It is the student’s responsibility to make alternative arrangements
with his or her instructor once the accommodation has been approved and the instructor has been informed.
In the event of a missed final exam, a “Recommendation of Special Examination” form must be obtained
from the Dean’s Office immediately. For further information concerning UWO’s Policy on Accommodation
for Medical Illness please refer to this policy at:
A student requiring academic accommodation due to illness should use the Student Medical Certificate
when visiting an off-campus medical facility or request a Record’s Release Form (located in the Dean’s
Office) for visits to Student Health Services. The form can be found here:
Make-up exams and conflicts
If you know ahead of time that you are unable to attend a
midterm or final exam, you must let your instructor know
at least two weeks in advance so alternative arrangements can be
See also the
policy on final exam conflicts.
Please contact the course instructor if you require material in an alternate format or
if you require any other arrangements to make this course more accessible to you.
You may also wish to contact Services for Students with Disabilities (SSD) at
661-2111 x 82147 for any specific questions regarding an accommodation.
- Office of the Registrar: http://www.registrar.uwo.ca
- Student Development Services: http://www.sdc.uwo.ca
- Learning Skills Services: http://www.sdc.uwo.ca/learning
- USC: http://westernusc.ca/services
- Academic Calendar: http://www.westerncalendar.uwo.ca
- ITS: http://www.uwo.ca/its/helpdesk
- Students who are in emotional/mental distress should refer to Mental Health@Western
for a complete list of options about how to obtain help.http://www.health.uwo.ca/mental_health
Please check the exercises page and
the course web page regularly for announcements and
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