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astrid.tech | ||
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arkadiusz-jadczyk.eu
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| | | | | In the last post, Geodesics of left invariant metrics on matrix Lie groups - Part 1,we have derived Arnold's equation - that is a half of the problem of finding geodesics on a Lie group endowed with left-invariant metric. Suppose $G$ is a Lie group, and $g(\xi,\eta)$ is a scalar product (i.e. | |
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qsantos.fr
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| | | | | I know it is a controversial opinion, but you might need to know where things are when running a simulation. As a bonus, it helps you in knowing what to draw on the screen. Of course, you can just use a position vector (x, y, z) where x, y and z are the coordinates of ... Continue reading Solving Kepler's Equation 5 Million Times a Second ? | |
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4gravitons.com
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| | | | | It's paper season! I've got another paper out this week, this one a continuation of the hexagon function story. The story so far: My collaborators and I have been calculating "six-particle" (two particles collide, four come out, or three collide, three come out...) scattering amplitudes (probabilities that particles scatter) in N=4 super Yang-Mills. We calculate... | |
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sciencesprings.wordpress.com
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| | | Dedicated to spreading the Good News of Basic and Applied Science at great research institutions world wide. Good science is a collaborative process. The rule here: Science Never Sleeps. Another rule here: Scientists "invent" nothing. Instead scientists "discover". Everything which is now fact was fact shortly after the Big Bang. | ||
