astronomy

Maurice L'Abbé

Maurice L'Abbé 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 Maurice L'Abbé rather than just read about it. In short: Maurice L'Abbé (1920 – July 21, 2006) was a Canadian academic and mathematician. Born in Ottawa, Ontario, L'Abbé obtained his license in mathematics in 1945 from the Université de Montréal, and a doctorate in mathematics from the Princeton University in 1951.

Key takeaways

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

Reference excerpt

Maurice L'Abbé (1920 – July 21, 2006) was a Canadian academic and mathematician. Born in Ottawa, Ontario, L'Abbé obtained his license in mathematics in 1945 from the Université de Montréal, and a doctorate in mathematics from the Princeton University in 1951. He joined the faculty of science in the Université de Montréal becoming an associate professor in 1950 and full professor in 1956. He was director of the Université de Montréal's Department of Mathematics from 1957 to 1968. He was dean of the Faculty of Science from 1964 to 1968 and Vice-Rector for Research from 1968 to 1978. In 1968, he helped to establish the Centre de Recherches Mathématiques, the first mathematical research institute in Canada.

Honours In 1993, he was made an Officer of the National Order of Quebec. In 1994, he was awarded the Prix Armand-Frappier.

References

Illustrations

Worked examples

Example 1 — a first encounter with Maurice L'Abbé

Start with the simplest possible case. Write down what Maurice L'Abbé 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 Maurice L'Abbé 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 Maurice L'Abbé 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 Maurice L'Abbé

In research: Maurice L'Abbé 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 Maurice L'Abbé 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: Maurice L'Abbé is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1920 births, 2006 deaths, Academic staff of the Université de Montréal, so understanding it makes those chapters shorter.
In everyday life: Look for Maurice L'Abbé 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 Maurice L'Abbé in 20 minutes

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

Frequently asked questions

What is Maurice L'Abbé in simple terms?

Why does Maurice L'Abbé 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 Maurice L'Abbé?

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 Maurice L'Abbé.