Jun 12, 2018 · The meaning of an isochrone is in the name. It's a set of stellar models compute at the same (iso) age (chrone). So, in practice, what this means is that some theorists use a …

The isochrone condition involves only the force perpendicular to the curve, and the force along the curve is only involved to the extent that it determines the particle velocity at any position.

Feb 13, 2016 · Is the cosmological time grosso modo isochrone? by analogy with space isotropy. Or else do we have possibly great differences by analogy with great voids in the space.

Oct 10, 2016 · I just came across the concept of a tautochrone curve (or isochrone curve). My question stems from the intuition that a body starting from a higher point would need to be …

Jul 24, 2017 · A cycloidal pendulum is isochrone, meaning it's period is independent of it's amplitude. But a cycloidal pendulum - as usually depicted - doesn't do a full 360 degrees swing.

Apr 22, 2020 · The components of the null vector are actually any column of the transpose cofactor matrix, so, then, the fabulous, wonderful adjugate matrix. For a given matrix N, you …

There are probably many fascinating curve-geometry problems in relativity which are analogs of the Brachistochrone and Isochrone, but nobody has ever formulated these.