| 1 | 1/13 (M) | 1.1: The Division Algorithm | Please Read 1_1_0_division_algorithm and 1_1_1_proof_division_algorithm. Homework 1 posted, due 1/22. |
| 2 | 1/15 (W) | 1.2: Divisibility | Please read 1_2_1_divisibility. No in-person class this Friday, pre-recorded lecture will be released on D2L. |
| 3 | 1/17 (F) | 1.2: Continued | Instructor out of town. Please watch the pre-recorded lecture. Make-up office hours next Wednesday. |
| 1/20 (M) | Holiday – No Class | |
| 4 | 1/22 (W) | Finished 1.2, introduced the Euclidean Algorithm. 1.3 Started. | Please read 1_2_2_euclidean_algorithm. HW1 Due midnight today! |
| 5 | 1/24 (F) | 1.3: Continued, Uniqueness to be proven. | Please read 1_3_2_fundamental_thm_arithmetic. Homework 2 posted, due 2/3. |
| 6 | 1/27 (M) | Chapter 1 concluded. Start 2.1 by introducing congruence relation. | Please read 2_1_0_congruence_in_z. |
| 7 | 1/29 (W) | 2.1 mostly finished. | Please read 2_1_1_congruence_classes |
| 8 | 1/31 (F) | 2.2 finished, started 2.3. | Please read 2_2_zn_as_a_ring. Reminder: HW2 due next Monday. HW1 will be graded before that. |
| 9 | 2/03 (M) | 2.3 continued. | Please read 2_3_1_zp_as_a_field. |
| 10 | 2/05 (W) | 2.3 concluded | Please read the exam preparation material on d2l. HW3 posted, due 2/14. |
| 11 | 2/07 (F) | Exam Review | Please review the exam preparation material on d2l. Please review the examples on solving equations in Z_n. |
| 12 | 2/10 (M) | First In-class Exam | Exam range: 1.1-1.3, 2.1-2.3 |
| 13 | 2/12 (W) | Begin 3.1 | Please read 3_1_ring_definition |
| 14 | 2/14 (F) | 3.1 continued, part of 3.2 covered | HW3 extended to Next Monday Feb 17 23:59. Please read 3_2_ring_property. |
| 15 | 2/17 (M) | More on 3.2 | Lecture moved online due to icy drive way. HW 4 posted, due Feb 26 23:59. |
| 16 | 2/19 (W) | More on 3.2. | Examples of rings. |
| 17 | 2/21 (F) | Start 3.3 | Please read 3_3_ring_morphisms, please note determinant is not a ring homomorphism. |
| 18 | 2/24 (M) | More on 3.3 | Please read 3_3_ring_morphisms. |
| 19 | 2/26 (W) | Finished 3.3 with isomorphism. | Please read 3_3_ring_morphisms |
| 20 | 2/28 (F) | Exam Review | Please find the review questions and the practice exam on D2L, make sure you can solve all of them. |
| 3/03 (M) | Spring Break – Classes Not Held | |
| 3/05 (W) | Spring Break – Classes Not Held | |
| 3/07 (F) | Spring Break – Classes Not Held | |
| 21 | 3/10 (M) | Second In-class Exam | |
| 22 | 3/12 (W) | Started 4.1. | Please read 4_1_poly_division, HW 5 posted, due March 19 23:59. |
| 23 | 3/14 (F) | Continued 4.1. | |
| 24 | 3/17 (M) | Finished 4.1, started 4.2 | Please read 4_2_poly_divisibility |
| 25 | 3/19 (W) | Finished 4.2, started 4.3. | Please read 4_3_irreducible_poly, HW5 due extended to March 21 23:59. |
| 26 | 3/21 (F) | Finished 4.3 | HW5 due extended to March 24, 23:59. HW6 posted, due March 28 23:59. |
| 27 | 3/24 (M) | covered 4.4, 4.5 | Please read 4_4_root_and_reducibility |
| 28 | 3/26 (W) | Finished 4.5 | Please read 4_5_irreducibility_criterion |
| 29 | 3/28 (F) | Non-direct Eisenstein, Exam review | Please read the exam review sheet and practice exam on d2l. |
| 30 | 3/31 (M) | Third In-class Exam | |
| 31 | 4/02 (W) | Finished 5.1, 5.2, started 5.3 | Please read 5_1_2_poly_congruence |
| 32 | 4/04 (F) | finished 5.3 | HW7 posted, due April 11 23:59.Please read 5_3_field_extension |
| 33 | 4/07 (M) | Started 6.1 | please read 6_1_ideal_and_quotient |
| 34 | 4/09 (W) | continued 6.1 | Please remember in our class, ideal is defined to be a subring with the rescaling invariant property. |
| 35 | 4/11 (F) | continued 6.1 | Homework 8 posted. Due April 18 23:59. |
| 36 | 4/14 (M) | finished 6.1, started 6.2. | Please read 6_2_homomorphism_and_quotient |
| 37 | 4/16 (W) | continued 6.2 | HW 8 due extended to April 21 23:59. |
| 38 | 4/18 (F) | Finished 6.2. Started 6.3. | Please read 6_3_prime_and_maximal_ideals |
| 39 | 4/21 (M) | Finished 6.3. Introduced abelian groups | Please read 7_1_abelian_groups. Practice Final and review material updated on D2L. |
| 40 | 4/23 (W) | Final review | Please find the final study material on D2L. |
| 41 | 4/25 (F) | Final reivew | Please find the final study material on D2L. |
| Final Exam | 4/28 (M) | Final Exam: 12:45 PM - 2:45 PM, Wells Hall A104 | |
