astronomy

Marion Scheepers

Marion Scheepers 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 Marion Scheepers rather than just read about it. In short: Marion Scheepers is a South African-born mathematician, lecturer and researcher in the Department of Mathematics of Boise State University in Boise, Idaho since 1988. He is particularly known for his work on selection principles and on infinite topological and set-theoretical games.

Key takeaways

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

Reference excerpt

Marion Scheepers is a South African-born mathematician, lecturer and researcher in the Department of Mathematics of Boise State University in Boise, Idaho since 1988. He is particularly known for his work on selection principles and on infinite topological and set-theoretical games. He introduced themes that are common to many selection principles and is responsible for the Scheepers diagram.

Life Scheepers was born in December 1957, in Thabazimbi, South Africa. He completed his Ph.D. thesis entitled The Meager-Nowhere Dense Game at the University of Kansas under the supervision of Fred Galvin. His research interests cover set theory and its relatives, game theory, cryptology, elementary number theory and algorithmic phenomena in biology. He was appointed Assistant Professor in the Department of Mathematics at Boise State University (BSU) in 1988 and promoted to Associate Professor in 1993. He has been Professor in the Department of Mathematics at BSU since 1996. In 2016 he was part of a group at BSU that started an interdisciplinary course called Transdisciplinary Research Methods. In 2019 Scheepers was one of the coaches for BSU's elective Vertically Integrated Projects including Portable Secure Devices, a team aiming to develop methods to mitigate cyber-threats against active implantable medical devices. Presently, Scheepers is studying biological encryption mechanisms in certain single-cell organisms in collaboration with researchers from the University of Witten-Herdecke in Germany, and the BSU Department of Biological Sciences. For this study, he has received grant funding from the National Science Foundation. The National Science Foundation has funded his research and curriculum activities on several occasions, including in 2005 for Crypto Systems in Ciliates

Recognition, awards, membership 2012 Distinguished Professor in Mathematics, Boise State University. 2014 BSU recognised Scheepers' 26 years of academic service. 2017 The conference Frontiers of Selection Principles at Cardinal Stefan Wyszyński University in Warsaw, Poland was dedicated to Scheepers.

Selected publications "Set theory and its applications : annual Boise Extravaganza in Set Theory". Boise State University Albertsons Library. 14 August 2019. Retrieved 4 September 2019. Babinkostova, L.; Pansera, B.A.; Scheepers, M. (2019). "Selective versions of θ-density". Topology and Its Applications. 258. Elsevier BV: 268–281. doi:10.1016/j.topol.2019.02.061. ISSN 0166-8641. S2CID 126972852. Galvin, Fred; Scheepers, Marion (19 December 2015). "Baire spaces and infinite games". Archive for Mathematical Logic. 55 (1–2). Springer Science and Business Media LLC: 85–104. arXiv:1401.6061. doi:10.1007/s00153-015-0461-8. ISSN 0933-5846. S2CID 206887747. Scheepers, Marion (2011). "Rothberger bounded groups and Ramsey theory". Topology and Its Applications. 158 (13). Elsevier BV: 1575–1583. arXiv:1011.1869. doi:10.1016/j.topol.2011.05.025. ISSN 0166-8641. S2CID 119155731. Samet, Nadav; Scheepers, Marion; Tsaban, Boaz (2009). "Partition relations for Hurewicz-type selection hypotheses". Topology and Its Applications. 156 (3): 616–623. arXiv:0811.1016. doi:10.1016/j.topol.2008.08.013. ISSN 0166-8641. S2CID 16410566.

References

External links European Mathematical Information Service Marion Scheepers publications at the American Mathematical Society Publications by Marion Scheepers at ResearchGate

Worked examples

Example 1 — a first encounter with Marion Scheepers

Start with the simplest possible case. Write down what Marion Scheepers 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 Marion Scheepers 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 Marion Scheepers 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 Marion Scheepers

In research: Marion Scheepers 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 Marion Scheepers 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: Marion Scheepers is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1957 births, Boise State University faculty, Living people, so understanding it makes those chapters shorter.
In everyday life: Look for Marion Scheepers 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 Marion Scheepers in 20 minutes

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

Frequently asked questions

What is Marion Scheepers in simple terms?

Why does Marion Scheepers 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 Marion Scheepers?

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 Marion Scheepers.