mathematics

Kunizo Yoneyama

Kunizo Yoneyama is a mathematics 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 Kunizo Yoneyama rather than just read about it. In short: Kunizō Yoneyama (米山国蔵; 1877–1968) was a Japanese mathematician at Kyoto University working in topology. In 1917, he published the construction of the Lakes of Wada, which he named after his teacher Takeo Wada, to whom he credited the discovery.

Key takeaways

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

Reference excerpt

Kunizō Yoneyama (米山国蔵; 1877–1968) was a Japanese mathematician at Kyoto University working in topology. In 1917, he published the construction of the Lakes of Wada, which he named after his teacher Takeo Wada, to whom he credited the discovery.

Publications Yoneyama, Kunizô (1917), "Theory of Continuous Set of Points (not finished)", Tôhoku Mathematical Journal, 12: 43–158 Yoneyama, Kunizô (1918), "Theory of Continuous Set of Points", Tôhoku Mathematical Journal, 13: 33–157 Yoneyama, Kunizô (1920), "On Continuous Set of Points, II", Tôhoku Mathematical Journal, 18: 134–186

References

Mimura, Mamoru (1999), "The Japanese school of topology", in James, I. M. (ed.), History of topology, Amsterdam: North-Holland, pp. 863–882, doi:10.1016/B978-044482375-5/50032-8, ISBN 978-0-444-82375-5, MR 1721126 Neoi, Makoto (2004), A Study on Educational Viewpoints of a Mathematician Kunizo Yoneyama (in Japanese), Tokyo: Tokai University, p. 12

Worked examples

Example 1 — a first encounter with Kunizo Yoneyama

Start with the simplest possible case. Write down what Kunizo Yoneyama claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, 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 Kunizo Yoneyama 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 Kunizo Yoneyama 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 Kunizo Yoneyama

In research: Kunizo Yoneyama appears in mathematics 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 Kunizo Yoneyama 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: Kunizo Yoneyama is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1877 births, 1968 deaths, Academic staff of Kyoto University, so understanding it makes those chapters shorter.
In everyday life: Look for Kunizo Yoneyama 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Kunizo Yoneyama” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Kunizo Yoneyama in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Kunizo Yoneyama 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 Kunizo Yoneyama out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Kunizo Yoneyama in simple terms?

Why does Kunizo Yoneyama matter?

Because it connects several mathematics 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 Kunizo Yoneyama?

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 Kunizo Yoneyama.