New posts in random-walk

Relation between steps and turns in a simple symmetric random walk

probability combinatorics martingales expected-value random-walk

Intuitive reason why a simple symmetric random walk is recurrent on $\Bbb Z^2$ and transient on $\Bbb Z^3$.

probability-theory stochastic-processes markov-chains random-walk

Weighted summation of symmetric Bernoulli RV. Characteristic function inequality

probability-theory complex-numbers expected-value random-walk characteristic-functions

Limit value of the product martingale $\exp(uX_n - nu^2 \sigma^2 / 2)$

probability-theory martingales random-walk probability-limit-theorems

Random walk as a martingale?

stochastic-processes martingales random-walk

Conditional return time of simple random walk

probability probability-distributions random-variables markov-chains random-walk

Calculate the diffusion coefficient from a random walk with stay.

probability stochastic-processes normal-distribution random-walk numerical-optimization

Last vertex visited by the symmetric random walk on a discrete circle

probability-theory random-walk

Random walks on symmetric groups

probability combinatorics symmetric-groups random-walk

Random solving of a Rubik cube .

probability combinatorics expectation random-walk rubiks-cube

Does a simple symmetric random walk on $\mathbb{Z^{2}}$ reach each vertex?

probability discrete-mathematics markov-chains random-walk

How to combine the four Theorems in order to prove the statement?

probability random-walk

Random walk 1D with a single bound

probability random-walk

Expected time for winning in biased Gambler's Ruin

probability markov-chains random-walk

Symmetric random walk on the integers

probability-theory random-walk

Probability of landing on the nth stair.

probability combinatorics random-walk

Going from 30 to 100 in a coin flip game.

probability random-walk

Random walks and diffusion limits

probability geometry random-walk

Taxicab metric *with stoplights*; does it ever give the Euclidean metric?

probability metric-spaces euclidean-geometry mathematical-modeling random-walk

Returning Paths on Cubic Graphs

graph-theory random-walk