astronomy

Olli Lokki

Olli Lokki 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 Olli Lokki rather than just read about it. In short: Olli Kristian Lokki (Lindeqvist) (28 April 1916 – 6 March 1994) was a Finnish mathematician. Education and career Loki was born in Helsinki.

Key takeaways

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

Reference excerpt

Olli Kristian Lokki (Lindeqvist) (28 April 1916 – 6 March 1994) was a Finnish mathematician.

Education and career Loki was born in Helsinki. His father was a historian and schoolman, Karl Olof Lindeqvist. Lokki graduated in 1934 from the Normal Lyceum of Helsinki, then studied at the University of Helsinki, graduating with a master's degree in 1939 and completed his doctorate under the supervision of Rolf Nevanlinna and Pekka Myrberg in 1947. His thesis was in the field of function theory, with the title Über analytische Funktionen deren Dirichletintegrale endlich ist und die in gegebenen Punkten vorgeschriebene Werte annehmen. Loki's studies were interrupted by wars. During the Continuation War, Lokki worked as a mathematician in the Air Defense Department of the Finnish Air Force. After the war, Lokki became an assistant at the Department of Mathematics at the University of Helsinki, and after working as a vocational school teacher for one academic year, he was appointed a lecturer in mathematics at the Helsinki University of Technology in 1945 and held this position until 1953. At that time, he was appointed assistant professor of mathematics at the same institution. From 1962 until his retirement in 1979, Lokki was a professor of applied mathematics at the Helsinki University of Technology. Lokki became a docent of mathematics at the University of Helsinki in 1952. He was the president of the Finnish Academy of Technical Sciences between 1980 and 1984. In his teaching, Lokki particularly promoted the application of statistical and operations research methods to the solution of practical problems. The Nobel laureate Bengt Holmström studied under him at the University of Helsinki. He has a wide network outside of academic circles as well. Lokki was an honorary member of the Finnish Quality Control Association and an honorary member of the European Consortium for Mathematics in Industry. Lokki was elected a member of the Finnish Academy of Sciences in 1979.

References

Worked examples

Example 1 — a first encounter with Olli Lokki

Start with the simplest possible case. Write down what Olli Lokki 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 Olli Lokki 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 Olli Lokki 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 Olli Lokki

In research: Olli Lokki 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 Olli Lokki 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: Olli Lokki is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1916 births, 1994 deaths, Academic staff of the Helsinki University of Technology, so understanding it makes those chapters shorter.
In everyday life: Look for Olli Lokki 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 Olli Lokki in 20 minutes

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

Frequently asked questions

What is Olli Lokki in simple terms?

Olli Kristian Lokki (Lindeqvist) (28 April 1916 – 6 March 1994) was a Finnish mathematician. Education and career Loki was born in Helsinki.

Why does Olli Lokki 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 Olli Lokki?

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 Olli Lokki.