Overview of time at the beginning of modern science

A short essay on Time at the beginning of modern science.
A personal perspective, not just an epistemological one.
It’s part of a work developed on the epistemology of time, and it’s written in italian.

pdf_ita  Brussi 2024_Panoramica sul tempo agli inizi della scienza moderna

 

Brussi 2024_Panoramica sul tempo agli inizi della scienza moderna

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II Jeans equation in cylindrical coordinates

We derive the II Jeans equation (the Jeans equations are a set of partial differential equations that describe the motion of a collection of stars in a gravitational field) from the collisionless Boltzman equation (CBE) in cylindrical coordinates.

pdf  Brussi 2024_Jeans equation in cylindrical coordinates

 

Jeans equation in cylindrical coordinates

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