
Please post any and all homework or other textbookstyle problems in one of the Homework & Coursework Questions...

Feb2313 09:25 AM
micromass

1 
31,364 
How many ways in the entire world are there for computing Puiseux expansions of algebraic functions? I know of three...

Mar2912 06:29 AM
jackmell

2 
1,507 
I want to prove the next assertion in Jeffrey M. Lee's Manifolds and differential geometry.
If \mathcal{D}_1,...

Mar2912 01:02 AM
mathwonk

1 
1,053 
Folks,
I am looking at my notes. Wondering where the highlighted comes from.
Prove that a finite orthogonal set is...

Mar2812 01:28 PM
HallsofIvy

3 
1,404 
I need to prove that every line is contained by at least two planes using only the incidence axioms. This is what I...

Mar2812 12:33 PM
LCharette

2 
1,159 
I need to prove the interior of <ABC is a convex set. I know it is. I started by defining the angle as the...

Mar2812 12:30 PM
HallsofIvy

3 
1,549 
If torsion = antisymmetric part of the connection coefficients, and
...

Mar2712 06:50 PM
kutraj

8 
2,527 
The following is a problem that I’m sure is considered “basic” for mathematicians. I would therefore be gracious if...

Mar2712 01:42 PM
homeomorphic

2 
1,438 
The following is a distance formula for a metric/pseudometric space.
Please. Can anyone give me ANY insight...

Mar2612 07:38 PM
zmodnz

0 
1,184 
Hello,
I'm looking for an appropriate rotation representation for the following situation.
I have two (always...

Mar2612 05:08 PM
sodemus

0 
1,125 
Hi all,
I've been fiddling around with this problem for a while. I intuitively understand that the parallel...

Mar2612 03:39 PM
ianhoolihan

1 
1,268 
Does anyone know if there is a nonEuclidean geometry(or something like that) where the circle becomes a line or a...

Mar2512 05:44 PM
zmodnz

9 
2,213 
Hello everyone! Could someone tell me how to evaluate the integral
\int_{B_{\delta}(p_0)}{\frac{1}{(1 + d^2(p_0,...

Mar2512 04:12 PM
Goklayeh

0 
972 
Hi guys,
I have questions about algebraic functions and not sure where to ask. Hope it's ok here.
Given the...

Mar2512 03:35 AM
jackmell

4 
1,361 
(X,\rho) is a pseudometric space
Define:
x~y if and only if ρ(x,y)=0
(It is shown that x~y is an equivalence...

Mar2512 03:13 AM
Lily@pie

2 
1,493 
Hello all
I was hoping someone could help me with the following problem.
I work on the railroads and my task is...

Mar2412 12:28 AM
chiro

1 
1,690 
Ok, so I don't have much of an intuition for frame bundles, so I have some basic questions.
A frame bundle over a...

Mar2312 07:41 PM
quasar987

39 
4,077 
How do I show that Maslov index satisfies the next property (product property).
Let \Lambda : \mathbb{R} /...

Mar2312 09:56 AM
quasar987

2 
1,182 
Given the complete classification of finite simple groups, can one say that the number of all conceivable 2D/3D...

Mar2312 06:21 AM
M Quack

3 
1,168 
I am struck in a place where i have to find length of a line(a in fig i.e between P1 and P2) in the form of r and...

Mar2312 03:32 AM
tinytim

1 
1,393 
I find that group structure of nsphere is SO(n+1)/SO(n) (at http://en.wikipedia.org/wiki/N_sphere). So I want to find...

Mar2212 10:12 PM
homeomorphic

7 
1,518 
I have a question about terminology. Suppose we have a space X with the property that:
for all x, x' in X and...

Mar2212 07:44 PM
micromass

3 
1,438 
Nevermind Found my own answer

Mar2212 10:15 AM
Tinyboss

1 
1,175 
Hi,
I am am currently taking a second course in geometry, the first part of the course concerns projective...

Mar2212 08:20 AM
chiro

4 
1,361 
Hi, I have a bilinear form defined as g : ℝnxℝn>ℝ by g(v,w) = v1w1 + v2w2 + ... + vn1wn1  vnwn
I have to show...

Mar2112 09:37 AM
Alesak

6 
2,093 
Hello
I have been thinking about dimensional analysis with respect to computer systems. It has become obvious to...

Mar2112 09:30 AM
D H

31 
3,455 
Dear Sir/Madam,
i am doing GR just for fun and have not any degree in neither physics or mathematics. My question is...

Mar2012 03:32 PM
Dom Claude

0 
858 
Hello,
Am working on a model that involves heat conduction in a semiinfinite solid. I have been using linspace()...

Mar1912 06:22 AM
meldraft

1 
1,244 
If a line segment of size L, is made up of an infinite amount of points. Then divided into half, and then half again,...

Mar1812 07:20 PM
micromass

5 
1,773 
One of the definitions of the tensors says that they are multidimensional arrays of numbers which transform in a...

Mar1812 12:51 AM
Shyan

11 
1,470 
My question is about a general comment made in differential geometry books:
There cannot be a single chart for the...

Mar1812 12:38 AM
ayan849

24 
2,505 
We all are familiar with the kind of differential geometry where some affine connection always exists to relate...

Mar1712 07:59 AM
ayan849

9 
2,968 
Prerequisite: Protractor
Requirement: Both the measurers and the object should be perpendicular to the ground
...

Mar1612 08:38 PM
moonman239

0 
1,847 
Hey guys,
I am confused about the concept of sections of vector bundles. Mobius band is nontrivial line bundle over...

Mar1612 04:40 PM
lavinia

2 
1,010 
I am not sure if this is entirely possible, as my spherical trig skills are lacking.
Would it be possible to...

Mar1612 08:19 AM
Insanity

2 
1,317 
Hi all,
I've been wondering about this for some time. While I am only familiar with the basics of differential...

Mar1612 05:30 AM
Alesak

16 
2,516 
I need any help with the next question I posted in math.stackexchange, thanks....

Mar1412 12:36 PM
MathematicalPhysicist

8 
1,069 
The vanishing divergence(s) of the stressenergy tensor, which proves/demands (not sure which) the conservation laws...

Mar1312 10:17 PM
marschmellow

0 
1,002 
I have made a geometry, see first attachment, I call the “Torbus”, from the two geometries of a Toroid and a Mobius...

Mar1312 02:40 PM
Ray Fischer

13 
2,555 
Or perhaps there is a more general function that sends to the next hypervolume? Can it be bijective? Continuous?

Mar1312 01:31 AM
Bacle2

7 
1,175 
Hello all
I work in railway transport.
I am trying to redesign an existing railway curve; the existing...

Mar1212 08:48 PM
Stephen Tashi

1 
887 