Darsh Ranjan

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Name Darsh Ranjan
Member for 5 months
Seen 19 hours ago
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Location UC Berkeley
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8

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Answers
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24
Fundamental Examples (4)
23
Most harmful heuristic?
21
Fourier transform for dummies
19
Sum of odd numbers results in a square number
16
Do good math jokes exist? (2)
11
How is it that you can guess if one of a pair of random numbers is larger with probability > 1/2?
10
Proofs without words
10
What’s your favorite equation, formula, identity or inequality? (2)
9
How to respond to “I was never much good at maths at school.”
9
Free, high quality mathematical writing online?
9
Cool problems to impress students with group theory
8
Finding minimal or canonical expressions for Boolean truth tables
8
Cures for mathematician’s block (as in writer’s block)
7
Truth of the Poisson summation formula
6
cardinal equivalence: for each boolean formula, |quantifications| = |assignments|.
6
Bizarre operation on polynomials
6
The Application of Lanczos Algorithm on Sparse Matrix
6
What are some slogans that express mathematical tricks?
6
Real and Complex Projections
6
Colloquial catchy statements encoding serious mathematics
5
How to smootly interpolate between möbius transformations?
5
Does the space of n x n, positive-definite, self-adjoint, real matrices have a better name?
5
Cauchy-Schwarz and pigeonhole
4
Data Mining— How do You Know Whether The Pattern You Extract is Valid?
4
Solutions to the diffusion equation
4
A single paper everyone should read?
4
How to do asymptotics for integrals?
4
Graphs with incidence matrices whose pseudoinverses are proportional to their transposes
4
Justifying a theory by a seemingly unrelated example
4
Simultaneous Equations Involving Power Sums
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