2025
an archive of posts from this year
| Mar 08, 2025 | Roots of unity |
|---|---|
| Mar 07, 2025 | Size of the roots |
| Mar 06, 2025 | Finite differences |
| Mar 06, 2025 | Differentiation and multiple roots |
| Mar 05, 2025 | Viete's relations |
| Feb 25, 2025 | Generating functions |
| Feb 24, 2025 | Counting in two different ways |
| Feb 23, 2025 | Counting the complement |
| Feb 22, 2025 | Counting via bijections |
| Feb 21, 2025 | Counting |
| Feb 20, 2025 | Grouping in pairs |
| Feb 19, 2025 | Extremal principle |
| Feb 18, 2025 | Pigeonhole principle |
| Feb 17, 2025 | Invariance |
| Feb 16, 2025 | Inclusion-exclusion principle |
| Feb 15, 2025 | Induction |
| Feb 14, 2025 | Auxiliary configuration |
| Jan 10, 2025 | INMOTC 2025 (MP region), Algebra |