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Dec
11
asked method of characteristics in a nutshell
Dec
9
awarded  Caucus
Dec
5
awarded  Popular Question
Nov
11
revised Integro-differential operator
added 383 characters in body
Nov
9
revised Integro-differential operator
added 21 characters in body
Nov
9
asked Integro-differential operator
Aug
28
accepted Prove that $f$ is smooth if $x f$, $y f$ are smooth
Jul
2
awarded  Curious
Jul
2
awarded  Inquisitive
Mar
2
awarded  Yearling
Nov
12
awarded  Tumbleweed
Nov
5
asked Prove that $f$ is smooth if $x f$, $y f$ are smooth
Aug
15
accepted Is this expression for the Riemann Tensor correct?
Aug
15
comment Is this expression for the Riemann Tensor correct?
The c's and the p's are smooth functions on the manifold
Aug
15
asked Is this expression for the Riemann Tensor correct?
Aug
15
accepted What does this notation means in noncommutative case
Aug
14
comment What does this notation means in noncommutative case
But in the page en.wikipedia.org/wiki/Covariant_derivative#Formal_definition they use the notation $V f$ also to indicate the directional derivative of a function along $V$. Then it is misleading to choose one or the other alternative above. How should I interprete?
Aug
14
asked What does this notation means in noncommutative case
Mar
2
awarded  Yearling
Feb
4
accepted Find all the functions which satisfy a given functional equation