Tags » Oscillation

Decay of correlations for flows and Dolgopyat’s estimate II.b

Last time, we reduced the proof of the exponential mixing property for expanding semiflows to the following Dolgopyat-like estimate:

Proposition 1 Let be an uniformly expanding Markov map on and let be a good roof function with exponential tails.

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Mathematics

Why does a simple pendulum oscillate?

Oscillating systems are ubiquitous. A simple harmonic oscillator system has a fixed point of equilibrium and keeps oscillating about this fixed point forever, if left undisturbed. 458 more words

Physics!

From 'The Models Need More...' department

Seems that the Stratosphere just might be doing more than the climate models, well, model.

From: http://news.sciencemag.org/2012/09/stratospheric-winds-churn-abyss

Stratospheric Winds Churn Up the Abyss

By Charles Choi 23 September 2012…

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AGW Science And Background

The Controversies Therefore.

The night of darkness

the day of brightness

premonitions in stay

the restless mind

sees both with fear

night foretells death

day predicts  breath

death is terrific… 72 more words

Poem

The Brothers Karamazov: Oscillation and the Unfinalized Epiphany

SPOILER ALERT: Don’t allow this modest blog post to ruin The Brothers Karamazov! As with every post, this blurb contains major spoilers.

Suggested Drink: Shot of vodka with a kvass chaser. 930 more words