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Sam OT
  • Member for 8 years, 4 months
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10 votes
1 answer
3k views

lim sup and lim infs of Brownian Motion: $B_t/\sqrt{t}$ as $t \to \infty$ or as $t \to 0$.

6 votes
3 answers
246 views

Show $y = \sum_{k=1}^\infty \frac{k^{k-1}}{k!} x^k$ satisfies $ye^{-y} = x$.

6 votes
2 answers
164 views

Apparent Contradiction by WolframAlpha in Calcuation of $\sum_{k=1}^\infty k^{k-1} e^{-k} / k!$

6 votes
2 answers
268 views

Distribution at First Time a Sum Reaches a Threshold

5 votes
1 answer
190 views

Opportunities for Mathematicians to Work in Biological/Disease Areas

5 votes
1 answer
636 views

Functional Lifting in Optimisation - Reference Request

5 votes
1 answer
4k views

Weierstrass Approximation Theorem for $\Bbb C$

5 votes
1 answer
3k views

Show that $ z \sin(z) = 1 $ has only real solutions.

5 votes
2 answers
1k views

Showing that $ \int_0^1 x^{2n}f(x) dx = 0 $ implies $f = 0$

5 votes
1 answer
751 views

An inner product space and its proper closed subspace with trivial orthogonal complement

4 votes
0 answers
224 views

Calculation of Conditional Expectation $\Bbb E[f(X)\mid Y]$

4 votes
0 answers
474 views

Mathematical Writing, Punctuation: Starting a Sentence with a Display Equation

3 votes
1 answer
69 views

Coppersmith-Tetali-Winkler Identity for Hitting Times in a Reversible Markov Chain

3 votes
1 answer
398 views

Strong Markov Property Brownian Motion for Non-Stopping Time

3 votes
1 answer
75 views

Calculating a (Forward Measure) Martingale

3 votes
1 answer
248 views

Countability of Collection of All Finite Subsets of a Countable Set

3 votes
1 answer
70 views

Density Function of Random Variable Related to Brownian Motion

3 votes
1 answer
98 views

Calculating Expectation of Exponential with Indicator Functions (Continuous Time Martingales)

3 votes
1 answer
210 views

Determining Degeneracies of Operator (Quantum Mechanics / Linear Algebra)

3 votes
1 answer
214 views

Implication of Statements "When" and "Just When"

3 votes
1 answer
1k views

Constant Speed of Geodesics

3 votes
1 answer
3k views

Orthogonality of Lagrange Polynomials in Hermite Inner Product

3 votes
1 answer
345 views

Markov Chains Queueing Theory: Sojourn Time for $M/M/1$

2 votes
1 answer
67 views

Representation theory: terminology

2 votes
1 answer
649 views

Hitting Times for Brownian Motion - Levy Process?

2 votes
0 answers
2k views

Laurent Series and Taylor Expansion of $ 1 / (e^z - 1) $

2 votes
0 answers
88 views

Integral of Difference of Logs

2 votes
2 answers
435 views

Dual Mapping Preserves Linear Independence if and only if Original Mapping is Surjective

2 votes
2 answers
446 views

Continuity and Inverse Preservation of Boundedness Implies Preservation of Closed Sets

2 votes
1 answer
136 views

Relation Between Free Quotients and Modules