astronomy

Sándor Csörgő

Sándor Csörgő 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 Sándor Csörgő rather than just read about it. In short: Sándor Csörgő (16 July 1947 at Egerfarmos, Heves County – 14 February 2008 at Újszeged, Csongrád County) was a Hungarian mathematician, and a professor at the University of Szeged. His main fields were probability, mathematical statistics, and asymptotic theory.

Key takeaways

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

Reference excerpt

Sándor Csörgő (16 July 1947 at Egerfarmos, Heves County – 14 February 2008 at Újszeged, Csongrád County) was a Hungarian mathematician, and a professor at the University of Szeged. His main fields were probability, mathematical statistics, and asymptotic theory. He did important research on the St. Petersburg paradox. He was a member of the Hungarian Academy of Sciences. His brother Miklós Csörgő is also a mathematician.

Career Csörgő graduated from the István Dobó High School in Eger, Heves County. He did undergraduate studies in the mathematics department at József Attila University (University of Szeged), graduating in 1970, and immediately joined the János Bolyai Mathematical Institute at the University as a graduate student. In 1972, he presented his doctoral thesis to Béla Szőkefalvi-Nagy and Károly Tandori. From 1972 to 1975 he completed a post-doctoral thesis at Kiev State University under Anatoliy Skorokhod. On its completion in 1975, he returned to Szeged, where he was appointed assistant professor, a role he held until 1978, when he was awarded a teaching professorship, leading the Department of Stochastics. In 1984 he moved to the United States, where he was visiting researcher at the University of California, San Diego, (1984–1985), Stanford University (1985), the University of North Carolina, Chapel Hill (1989–1990), and the University of Michigan, Ann Arbor (1990–1998). In 2000 he returned to the Bolyai Institute to teach and do research. Csörgő's work is often cited in highly respected domestic and foreign journals, but most often in English. He is among the ISI Highly Cited Researchers in Mathematics. In 2001 he was elected as an Associate Member of the Hungarian Academy of Sciences, full Membership following in 2007. He died in Szeged in 2008 and is buried in Újszeged cemetery.

Awards Grünwald Géza Prize (1974) Pál Erdős Prize (1987) Széchenyi Professorial Grant (1998–2001) Akadémiai Prize (1999) Tibor Szele Memorial Prize (2004) Albert Szent-Györgyi Prize (2005) Alapítvány Szegedért Grand Prize (2007) Széchenyi Prize (2008, posthumously)

References

External links Sándor Csörgő at Institute for Scientific Information Highly Cited Researchers

Illustrations

Worked examples

Example 1 — a first encounter with Sándor Csörgő

Start with the simplest possible case. Write down what Sándor Csörgő 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 Sándor Csörgő 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 Sándor Csörgő 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 Sándor Csörgő

In research: Sándor Csörgő 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 Sándor Csörgő 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: Sándor Csörgő is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1947 births, 2008 deaths, 20th-century Hungarian mathematicians, so understanding it makes those chapters shorter.
In everyday life: Look for Sándor Csörgő 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 Sándor Csörgő in 20 minutes

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

Frequently asked questions

What is Sándor Csörgő in simple terms?

Why does Sándor Csörgő 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 Sándor Csörgő?

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 Sándor Csörgő.