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Националния семинар по стохастика
ще се проведе на 21 април 2026 г. (вторник) от 14:00 часа в зала 503 на ИМИ – БАН.
Доклад на тема
How long does it take to train an Elephant Random Walk
ще изнесе
Zheng Fang (University of Zurich).
Резюме: We study how conditioning on the first \(k\) steps, which we think of as training, affects the long-term behavior of the Elephant Random Walk. When the elephant is conditioned to be at position \(k\) at time \(k\), the first return time to the origin scales as \(k^{(4−4p)⁄(3−4p)}\) in the diffusive regime, and grows exponentially in the critical regime. We loosely interpret this as a measurement of the rate at which the elephant forgets its training.
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