mathematics

Richard Jozsa

Richard Jozsa 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 Richard Jozsa rather than just read about it. In short: Richard Jozsa (born 13 November 1953) is an Australian mathematician who holds the Leigh Trapnell Chair in Quantum Physics at the University of Cambridge. He is a fellow of King's College, Cambridge, where his research investigates quantum information science.

Key takeaways

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

Reference excerpt

Richard Jozsa (born 13 November 1953) is an Australian mathematician who holds the Leigh Trapnell Chair in Quantum Physics at the University of Cambridge. He is a fellow of King's College, Cambridge, where his research investigates quantum information science. A pioneer of his field, he is the co-author of the Deutsch–Jozsa algorithm and one of the co-inventors of quantum teleportation.

Education Jozsa received his Doctor of Philosophy degree on twistor theory at Oxford, under the supervision of Roger Penrose.

Career and research Jozsa has held previous positions at the University of Bristol, the University of Plymouth and the Université de Montréal.

Awards and honours His work was recognised in 2004 by the London Mathematical Society with the award of the Naylor Prize for 'his fundamental contributions to the new field of quantum information science'. Since 2016, Jozsa is a member of the Academia Europaea.

References

Worked examples

Example 1 — a first encounter with Richard Jozsa

Start with the simplest possible case. Write down what Richard Jozsa 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 Richard Jozsa 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 Richard Jozsa 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 Richard Jozsa

In research: Richard Jozsa 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 Richard Jozsa 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: Richard Jozsa is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1953 births, Academics of the University of Plymouth, Alumni of the University of Oxford, so understanding it makes those chapters shorter.
In everyday life: Look for Richard Jozsa 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 “Richard Jozsa” →

Affiliate

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

How to study Richard Jozsa in 20 minutes

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

Frequently asked questions

What is Richard Jozsa in simple terms?

Why does Richard Jozsa 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 Richard Jozsa?

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 Richard Jozsa.