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Apr
1
comment Formal Variational Calculus Reference Request
Arnold's book "Mathematical Methods of Classical Mechanics" has something to say about that. You might be also interested in Bleecker's "Gauge theory and variational principles"
Feb
20
awarded  Informed
Jan
27
comment Multivariable Limits
Well, it's replacing, say, log(a^z) by $\log(a^z)$, etc. You can edit your own answer correcting that. Take a look at tobi.oetiker.ch/lshort/lshort.pdf
Jan
26
comment Multivariable Limits
It'S not that hard :). What you wrote here is mainly only missing a pair of $ enclosing the math.
Jan
25
awarded  Custodian
Jan
25
reviewed Reviewed Multivariable Limits
Jan
25
comment Multivariable Limits
Would you mind writing in TeX format? please?
Jan
23
revised Is length adimensional when space is not flat?
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Jan
23
revised Describing the algebra of functions on $S^2$
added 39 characters in body
Jan
23
comment Describing the algebra of functions on $S^2$
indeed, sorry :), well, it's negative. Have a look at M. Paschkes' Ph.D. thesis., page 43. Browse "paschke" here wwwthep.physik.uni-mainz.de/Publications/theses
Jan
23
revised Describing the algebra of functions on $S^2$
added 39 characters in body
Jan
23
answered Describing the algebra of functions on $S^2$
Jan
23
revised Is length adimensional when space is not flat?
added 1 characters in body
Jan
23
awarded  Fanatic
Jan
22
revised Is length adimensional when space is not flat?
added 15 characters in body
Jan
22
revised Is length adimensional when space is not flat?
added 234 characters in body
Jan
22
comment Is length adimensional when space is not flat?
Thanks 5PM, my apolgies, I should have written the "(squared) length element $dr^2+r^2dθ^2$ has the same units as $dx^2+dy^2$".
Jan
22
revised Is length adimensional when space is not flat?
added 234 characters in body
Jan
22
revised Is length adimensional when space is not flat?
added 140 characters in body
Jan
22
revised Is length adimensional when space is not flat?
added 277 characters in body