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Results tagged with special-relativity
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user 165920
4
votes
1
answer
398
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How are spatial coordinate systems in physics defined?
Grothendieck once asked "What is a meter?" (https://golem.ph.utexas.edu/category/2006/08/letter_from_grothendieck.html). This innocent sounding question, made me to think about how coordinate systems …
- 3,072
3
votes
1
answer
674
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Is there a feature mapping for this kernel $k(x,y) = (\frac{\min(x,y)}{\max(x,y)})^2$?
In the following paper:
https://perso.crans.org/besson/publis/mva-2016/MVA_2015-16__Kernel_Methods__Homework__Besson_Clement_Zerbib.en.pdf
problem 2, Kernel 9. it is shown that $K(x,y) = \frac{\min(x, …
- 4,219