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linuxfreebird
  • Member for 10 years, 3 months
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5 votes
2 answers
718 views

Why is the pole generally outside the contour loop when its outside the contour loop in 2D?

4 votes
1 answer
309 views

What is the formal name for the conformal laplacian?

4 votes
1 answer
312 views

Does Nash's theorem allow an embedded representation of the Riemann tensor without loss of generality?

3 votes
2 answers
913 views

Is the shortest path in flat hyperbolic space straight relative to Euclidean space?

2 votes
2 answers
401 views

Is it mathematically correct to say that if the metric is flat/curved the *shortest* path is/not a Euclidean straight line?

2 votes
0 answers
49 views

All possible flat conformal metrics of dimension greater than 2

2 votes
0 answers
28 views

Closed representation of Ladder operators in One Dimensional Second Order Homogeneous Differential Equations

2 votes
0 answers
73 views

Name of multidimensional propagator integral

2 votes
1 answer
364 views

How many degrees of freedom are in a flat metric and how does one count them?

2 votes
1 answer
2k views

Of the three tensors, Riemann Tensor, Ricci Tensor, and Ricci Scalar, which ones are only zero in a flat metric?

2 votes
1 answer
63 views

Is it possible to build a metal wire sphere whose shadow projects the 2d conformal maps of the Riemann Sphere on a flat wall?

2 votes
2 answers
587 views

Does there exist a green's function that does not have translation symmetry?

1 vote
0 answers
291 views

General solution to 3D linear 2nd order PDE using Wronskian and Integrals?

1 vote
0 answers
61 views

Does there exists known special cases of a zero Riemann tensor for 3D metrics?

1 vote
1 answer
73 views

What property is shared between the universal set and the empty set?

1 vote
1 answer
87 views

How to test convergence for a tetration series slightly below the harmonic series?

1 vote
1 answer
91 views

Is power series expansion not allowed for Gauss' Convergence Test?

1 vote
0 answers
78 views

How to improve the isometric immersion of a $n$ dimension conformal metric of one variable conformal factor to be less than $2n-1$ dimensions?

1 vote
1 answer
92 views

How to use the Magnus Series Convergence Test for complex matrix?

1 vote
0 answers
277 views

Green's function for Laplace operator in a conformally flat metric?

0 votes
0 answers
63 views

How does the Schrodinger's potential transformer if the metric conformally transformers?

0 votes
1 answer
320 views

Formal name for the coordinate values of the pushforward of the inverse metric on an embedded manifold?

0 votes
1 answer
71 views

Is there an ordering of integers with maximum near equal spacing between integers of the same set bit count?

0 votes
1 answer
94 views

Do there exist non-trivial integer coefficients that break linear independence of the roots of unity?

0 votes
0 answers
33 views

Does the magnus convergence test not hold for the factorization of second order differential operators?

0 votes
1 answer
101 views

How to solve for the extrinsic variables of a one variable scaled conformal metric to an equivalent metric?

0 votes
1 answer
66 views

What are the laplacian operators for the three two dimensional metrics of one variable dependence?

0 votes
1 answer
118 views

Does there exists a proof that any divergentless tensor can be decomposed into the sum of divergentless symmetric and antisymmetric tensors?

0 votes
1 answer
344 views

Are all 2D tensors in a specified flat metric equal to that same metric conformally scaled?

0 votes
1 answer
145 views

Three-Dimensional Metrics as Deformations of a Constant Curvature Metric?