astronomy

Lee Hyang-sook

Lee Hyang-sook is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Lee Hyang-sook rather than just read about it. In short: Lee Hyang-sook (Korean: 이향숙; born 1963) is a professor of mathematics and the 18th president of Ewha Womans University with a planned four years in the position of president. She was also the first female president of the Korean Mathematical Society.

Key takeaways

Lee Hyang-sook belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Lee Hyang-sook to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Lee Hyang-sook from memory before moving on to harder problems.

Reference excerpt

Lee Hyang-sook (Korean: 이향숙; born 1963) is a professor of mathematics and the 18th president of Ewha Womans University with a planned four years in the position of president. She was also the first female president of the Korean Mathematical Society.

Education Lee majored in mathematics graduating from Ewha Womans University with a B.S. and M.S. and then Northwestern University with a Ph.D.

Career After graduation, Lee returned to Ewha teaching and conducting research and in the Department of Mathematics. In addition to her teaching responsibilities, she has held various other positions at Ewha; including president of the Graduate School Alumnae Association, director of both the Institute of Mathematical Science and Center for Entrepreneurship, CEO of Technology Holdings, vice president of research, and the 18th president. Inaugurated on February 1, 2025, Lee is the first president of Ewha Womans University from a science and engineering background. In March 2026, Lee announced that Ewha would be launching 55 new courses in artificial intelligence to support women interested in the field. She is also credited with the foundation of Ewha's Institute of Multiscale Materials and Systems (IMMS), which will invest 10 million won into interdisciplinary research in energy and intelligence over the next 10 years. Outside of Ewha, she has been a board member of the Basic Science Academic Council (기초과학학회협의체), Institute for Basic Science, National Research Foundation of Korea, National Research Council of Science & Technology, Basic Research Advisory Committee of the National Science and Technology Advisory Council, Korea Federation of Women's Science & Technology Association, and the Association of Korean Woman Scientist and Engineers. She was also vice president of both the Korea Institute of Information Security & Cryptology (한국정보보호학회 부회장) and Volunteers for Educational Services in Asia, along with president of the Korean Mathematical Society and the Korean Association of Mathematical Societies (한국수학관련단체총연합회 회장). Lee is the first female president of the Korean Mathematical Society.

Awards and honors

2023: Seoul City Cultural Award 2023: Distinguished Alumni Award, Mathematics Department, Ewha Womans University 2021: Service Award, Korean Mathematical Society 2020–2023: Research Excellence Award, Ewha Womans University 2016: Woman Scientist/Engineer of the Year Award, Korea Foundation for Women In Science, Engineering and Technology 2013–2016: Research Excellence Award, Ewha Womans University 2015: Special Service Award, Korean Mathematical Society

Selected publications Duursma, Iwan; Lee, Hyang-Sook (2003). Tate Pairing Implementation for Hyperelliptic Curves y2 = xp - x + d. Springer Berlin Heidelberg. pp. 111–123. doi:10.1007/978-3-540-40061-5_7. Lee, Eunjeong; Lee, Hyang-Sook; Park, Cheol-Min (April 2009). "Efficient and generalized pairing computation on abelian varieties". IEEE Transactions on Information Theory. 55 (4): 1793–1803. Bibcode:2009ITIT...55.1793L. doi:10.1109/TIT.2009.2013048.

Illustrations

Worked examples

Example 1 — a first encounter with Lee Hyang-sook

Start with the simplest possible case. Write down what Lee Hyang-sook claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Lee Hyang-sook before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Lee Hyang-sook ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Lee Hyang-sook

In research: Lee Hyang-sook appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Lee Hyang-sook in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Lee Hyang-sook is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1963 births, 21st-century South Korean mathematicians, 21st-century South Korean scientists, so understanding it makes those chapters shorter.
In everyday life: Look for Lee Hyang-sook outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Lee Hyang-sook in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Lee Hyang-sook means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Lee Hyang-sook out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Lee Hyang-sook in simple terms?

Why does Lee Hyang-sook matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Lee Hyang-sook?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Lee Hyang-sook.