astronomy

Sharadchandra Shankar Shrikhande

Sharadchandra Shankar Shrikhande 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 Sharadchandra Shankar Shrikhande rather than just read about it. In short: Sharadchandra Shankar Shrikhande (19 October 1917 – 21 April 2020) was an Indian mathematician with notable achievements in combinatorial mathematics. He was notable for his breakthrough work along with R.

Key takeaways

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

Reference excerpt

Sharadchandra Shankar Shrikhande (19 October 1917 – 21 April 2020) was an Indian mathematician with notable achievements in combinatorial mathematics. He was notable for his breakthrough work along with R. C. Bose and E. T. Parker in their disproof of the famous conjecture made by Leonhard Euler dated 1782 that there do not exist two mutually orthogonal latin squares of order 4n + 2 for any n. Shrikhande's specialties were combinatorics and statistical designs. The Shrikhande graph is used in statistical design.

Life, education and career He was the fifth of ten siblings. His father worked at a flour mill. He completed his B.Sc. from Government Science College, Nagpur and went for further studies at the Indian Statistical Institute. He then briefly worked as a lecturer at the Government Science College, Nagpur. Shrikhande received a Ph.D. in the year 1950 from the University of North Carolina at Chapel Hill under the supervision of Raj Chandra Bose. Shrikhande taught at various universities in the US and in India. Shrikhande was a professor of mathematics at Banaras Hindu University, Banaras, and the founding head of the department of mathematics, University of Mumbai and the founding director of the Center of Advanced Study in Mathematics, Mumbai until he retired in 1978. He was a fellow of the Indian National Science Academy, the Indian Academy of Sciences and the Institute of Mathematical Statistics, USA. In 1988, his wife Shakuntala died and he moved to the United States. Shrikhande returned to India in 2009. He turned 100 in October 2017 and died in April 2020 at the age of 102. His son Mohan Shrikhande is a professor of combinatorial mathematics at Central Michigan University in Mt. Pleasant, Michigan.

References

External links Sharadchandra Shankar Shrikhande at the Mathematics Genealogy Project

Worked examples

Example 1 — a first encounter with Sharadchandra Shankar Shrikhande

Start with the simplest possible case. Write down what Sharadchandra Shankar Shrikhande 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 Sharadchandra Shankar Shrikhande 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 Sharadchandra Shankar Shrikhande 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 Sharadchandra Shankar Shrikhande

In research: Sharadchandra Shankar Shrikhande 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 Sharadchandra Shankar Shrikhande 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: Sharadchandra Shankar Shrikhande is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1917 births, 2020 deaths, 20th-century Indian statisticians, so understanding it makes those chapters shorter.
In everyday life: Look for Sharadchandra Shankar Shrikhande 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 Sharadchandra Shankar Shrikhande in 20 minutes

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

Frequently asked questions

What is Sharadchandra Shankar Shrikhande in simple terms?

Why does Sharadchandra Shankar Shrikhande 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 Sharadchandra Shankar Shrikhande?

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 Sharadchandra Shankar Shrikhande.