Algebra DSBA 2020/2021
Содержание
Schedule
- Lecture Thursday 16:20–17:40
- Seminar 201 Thursday 18:10–19:30
Teachers and assistants
Группа | 201 | 202 | 203 | 204 |
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Lecturer | Dima Trushin Telegram | |||
Teacher | Dima Trushin | Andrew Mazhuga | Nikita Medved | Galina Kaleeva |
Assistant | Masha Marchenko | Daniil Kopytov | Ваня Пешехонов | Dasha Ivanova |
Consultations schedule
Teacher/Assistant | Monday | Tuesday | Wednesday | Thursday | Friday | |
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Dima Trushin | zoom since 17:00 | ||||
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Andrew Mazhuga | |||||
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Nikita Medved | write me in telegram https://t.me/medvednikita
and we will schedule a meeting || || | ||||
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Galina Kaleeva | 16.20-17.40.
Offline: S 913 Online: Zoom Passcode: algebra In case I'm offline text me via telegram |
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Masha Marchenko | |||||
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Daniil Kopytov | |||||
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Vanya Peshekhonov | zoom c 18:20 | ||||
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Dasha Ivanova |
Grading system
The final grade is computed as follows
F = 0,3 * H + 0,3 T + 0,4 E
where H is the grade for the home assignments, T is the written test grade, and E is the final exam grade.
Only the final grade is rounded in the final formula according to the standard rule.
Lecture abstracts
Lecture 1 (08.04.2021). Binary operations. Associativity, neutral element, inverse element, commutativity. Definition of a group. Additive and multiplicative notations. Subgroups and cyclic subgroups. The order of an element of a group.
Lecture 2 (15.04.2020). Subgroups of the group of integers. Left and right cosets, examples. Normal subgroups. The Lagrange theorem.
Lecture 3 (22.04.2020). Five corollaries of the Lagrange theorem. Homomorphisms and Isomorphisms of groups. Image and kernel of a homomorphism. Normal subgroups. Direct product of groups. Finite Abelian Groups. The Chinese Remainder Theorem. Structure of a finite abelian group.
Problem sheets
The solutions should be sent to your teaching assistant before the beginning of the next seminar.
Seminar 1 (08.04.2021). Problems
Seminar 2 (15.04.2021). Problems
Seminar 3 (22.04.2021). Problems
Exam
Results
- Homework
201 | 202 | 203 | 204 |
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