Jaehyeon Lee

Welcome to my blog! I’m an undergraduate student at KAIST (Korea Advanced Institute of Science and Technology) in South Korea majoring in mathematics.
The goal of this blog is to consolidate my math knowledge and provide valuable insights into number theory and algebra. I’ll be posting about various topics, including intriguing concepts, problem-solving techniques, and solutions to exercises from textbooks.
latest posts
Jul 25, 2025 | On Quasi-finite Morphisms (Part 2) |
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Jul 23, 2025 | On Quasi-finite Morphisms (Part 1) |
Jul 11, 2025 | On the Characteristic of a Ring |