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May
17
answered Finding the shortest distance to the north of the sphere
May
17
revised “Vectors aren't really numbers” - how sound is that statement?
added 128 characters in body
May
17
answered “Vectors aren't really numbers” - how sound is that statement?
May
17
revised What algebraic structure do self-adjoint operators form?
added 5 characters in body; edited tags
May
17
revised What algebraic structure do self-adjoint operators form?
added 16 characters in body
May
17
asked What algebraic structure do self-adjoint operators form?
May
7
accepted Universal covers of the rotation group
May
7
accepted Spinors and Möbius strips
May
7
asked Universal covers of the rotation group
May
7
revised Forms and conservative forces
added 47 characters in body
May
7
revised Forms and conservative forces
added 47 characters in body
May
7
asked Forms and conservative forces
May
7
asked Spinors and Möbius strips
Apr
28
accepted When is the pullback of a tangent bundle along a curve a tangent bundle on the curve?
Apr
28
revised When is the pullback of a tangent bundle along a curve a tangent bundle on the curve?
added 169 characters in body
Apr
28
comment When is the pullback of a tangent bundle along a curve a tangent bundle on the curve?
@miller: ok, thanks for the tip; I'll change it.
Apr
28
asked When is the pullback of a tangent bundle along a curve a tangent bundle on the curve?
Apr
18
comment Is the null set $\emptyset$ a real subset of any set?
The term in English is Proper.
Apr
18
comment Borel $\sigma$-algebra
Well, borel sets are sets, so there is no concept of linearity there...unfortunately.
Apr
18
answered Is this permutations or combinations?