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David Steinberg

USA

Mathematics instructor at an American state university.

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Top Questions
64 votes

If we randomly select 25 integers between 1 and 100, how many consecutive integers should we expect?

probability asked Dec 8 '15 at 20:21
math.stackexchange.com

51 votes

History of “without loss of generality”

ho.history-overview asked May 7 '14 at 23:31
mathoverflow.net

43 votes

Is there any way to pressure textbook publishers to reduce price?

united-states books publishers fees asked Sep 27 '14 at 17:48
academia.stackexchange.com

26 votes

Alternatives to University Lectures: Non-lecture Mathematics Classes

undergraduate-education course-design asked Mar 14 '14 at 17:10
matheducators.stackexchange.com

18 votes

Algebraic varieties which are topological manifolds

ag.algebraic-geometry manifolds examples asked Dec 1 '09 at 19:56
mathoverflow.net

18 votes

“Correct the following mistake”-style questions?

problem-design asked Mar 16 '14 at 20:23
matheducators.stackexchange.com

17 votes

How to assign grades to proofs: what do(es) the literature/experts suggest?

reference-request proofs grading asked Jan 31 '15 at 22:00
matheducators.stackexchange.com

16 votes

MNOP conjecture

ag.algebraic-geometry gromov-witten-theory moduli-spaces open-problem asked Feb 25 '10 at 0:11
mathoverflow.net

14 votes

How do you explain why perpendicular lines have negative reciprocated slopes?

undergraduate-education secondary-education analytic-geometry asked Sep 30 '15 at 21:41
matheducators.stackexchange.com

14 votes

Examples of basic non-commutative rings

undergraduate-education examples abstract-algebra asked Oct 14 '17 at 17:37
matheducators.stackexchange.com

1 2 3

Top Answers
42
Why are equations written by equating something to zero?
math.stackexchange.com

23
Examples of Innumeracy
matheducators.stackexchange.com

17
What books are like Knuth's Surreal Numbers?
matheducators.stackexchange.com

14
Examples of basic non-commutative rings
matheducators.stackexchange.com

12
Justifying a theory by a seemingly unrelated example
mathoverflow.net

12
Why not write “or” inequalities as $a>x>b$?
matheducators.stackexchange.com

11
What could be good non-mathematical analogies to explain the difference between the words theorem, proposition, lemma and corollaries?
matheducators.stackexchange.com

10
Studying topology: which first, algebraic or differential?
mathoverflow.net

7
Introduction to deformation theory (of algebras)?
mathoverflow.net

7
Would taking 5 minutes to explain the history behind a mathematical idea help stimulate learning the idea?
matheducators.stackexchange.com

6
Why is $\mathbb{R}^n$ not homeomorphic to $\mathbb{R}^m$?
mathoverflow.net

6
How much detail should you show in algebra steps while teaching?
matheducators.stackexchange.com

6
Where can I find resources for creating a mathematics “bridge course”?
matheducators.stackexchange.com

6
Cartesian product set
matheducators.stackexchange.com

6
Supplemental text for undergraduate real analysis
matheducators.stackexchange.com

5
Ambiguous definition of “nerve of an open covering” on wikipedia?
mathoverflow.net

5
Uninsulting way to say “this will eventually be easy”
matheducators.stackexchange.com

5
What are the questions one should ask of oneself in trying to understand definitions and lemmas?
matheducators.stackexchange.com