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

Feb2313 09:25 AM
micromass

1 
26,560 
Hello!
I don't know if this is the right forum to post this doubt, but here it goes:
I would like to know how to...

Jun3010 05:53 PM
SonyAD

1 
1,099 
Hello,
Is there a formula for calculating a range of latitudelongitude coordinates within a certain radius of a...

Jun3010 05:43 PM
SonyAD

1 
2,792 
I am trying to understand why the following expression is a homotopy invariant.
Start with 2 closed 1 forms whose...

May1810 07:21 AM
lavinia

1 
788 
In a first countable space any point that is adherent to a set S is also the limit of a sequence in S.
In my head,...

May2210 07:50 AM
qspeechc

1 
1,049 
I have an isometry between two manifolds M and N. Can someone help me why the following is true
DF()=, where X,Y...

May2210 02:52 PM
Fredrik

1 
1,033 
Hi:
Is there a relation between kconnectedness ( meaning 1st, 2nd,..,kth fundamental
groups are trivial.) and...

May2710 12:35 AM
zhentil

1 
1,014 
I'm reading about a theorem that has as an assumption that the closure of some oneparameter subgroup is a torus. ...

May2810 06:42 AM
lavinia

1 
1,115 
Sorry i wasnt able to get help in the hw department. figured id try here.
1. The problem statement, all variables...

Jun110 12:25 PM
lavinia

1 
1,265 
As a physics major I have seen in general relativity the power of modern differential geometry such as coordinatefree...

Jun710 05:29 PM
lavinia

1 
1,793 
Hi all,
I have a circular helix with any point on the helix defined using the Frenet tnb triad.
t tangent, b...

Jun1510 09:38 AM
caejournal

1 
926 
Does a constant function have a local maximum?

Jun2110 10:53 AM
radou

1 
823 
take a circle in a plane
identify two opposite points
we get the projected space DP1
about the homotopy...

Jun2410 05:50 PM
lavinia

1 
947 
Here is an approach for lie derivative. And i would like to know how wrong is it.
Assuming lie derivative of a...

Jun2810 03:25 AM
01030312

1 
957 
i'm having trouble creating a arc for check for collision similar to a grenade launcher type weapon and am not very...

Jul310 11:54 AM
SonyAD

1 
1,383 
Assign to each side b of a convex polygon P the maximum area of a triangle that has b as a side and is contained in P....

Jul510 12:16 PM
lark

1 
1,670 
In Random Operators in Fixed point theory of functional analysis,
Is there any relation between the saparable...

Jul1410 01:09 AM
Eynstone

1 
1,296 
I have the following problem:
I'm studying a system of polynomial equations in R^n and I'm looking at the surface...

Jul810 07:06 PM
GargleBlast42

1 
1,254 
Hello,
I have found in this page an important statement about solid angles. Namely, the differential solid angle...

Jul910 05:15 PM
mnb96

1 
1,051 
Hi.
I have critical points are plotted on contours, I just need to construct Reeb graph for it. Any body has got idea...

Jul1210 12:10 PM
Lutas

1 
1,041 
please take a look at this image
http://a.imageshack.us/img715/8526/paint2.jpg
there are 2 triangles. in these...

Jul1410 04:13 PM
tinytim

1 
930 
i have the normal vector of a polygon face, and an object i wish to align to it by rotating it on XYZ. my up vector is...

Jul1410 10:45 AM
quasar987

1 
2,608 
Say I randomly give each edge of a square a direction and then I identify opposite edges, do I always come up with a...

Jul1410 04:32 PM
slider142

1 
1,101 
Hey there,
My current objective is to study dynamics on compact spaces of negative curvature. This requires me to...

Jul2110 04:21 PM
diegzumillo

1 
1,412 
proof the following using only euclidean geometry:
Let S be any point inside a triangle ABC and let SP; SQ; SR be...

Aug910 04:49 AM
Eynstone

1 
943 
Hi, Everyone:
LetB: E>X be a line bundle, with scructure group G and X has a CW decomposition.
I am...

Jul2310 08:19 PM
Bacle

1 
894 
Hey,
here is the formal question.
M is a riemannian submanifold in N. a,b are vector fields such that for each...

Jul2710 03:16 AM
mehul ahir

1 
1,237 
Okay, sorry another question. I know I'm being a total idiot but I'm in a brainstick (I just made that up) and I...

Jul2810 02:02 PM
chlorine addi

1 
1,316 
Say we have a vector field defined in R^3. That is, at every point p in R^3, we have the corresponding set (p, v(p))....

Aug1010 11:13 PM
mordechai9

1 
1,185 
Hello,
Given two planes, P1 and P2, I would like to determine their line of intersection L. I know three points...

Aug1110 09:14 PM
adriank

1 
862 
So I found a web gui for helping do an toe alignment on a car. So I've been looking over the code and I see some...

Aug2010 10:23 AM
wrencher

1 
807 
Say I pierce a paper Mobius strip with a pin and call the point on the side the pin entered the paper the point A and...

Aug2010 09:18 PM
quasar987

1 
1,513 
I am struggling to get an intuitive grasp of presheaves and sheaves.
It would really help me if I could find some...

Sep110 12:17 PM
Hurkyl

1 
1,703 
I have a question about connections derived from degenerate metrics, like in NewtonCartan.
The question is simply:...

Aug2610 12:42 PM
arkajad

1 
849 
I am wondering if the following mod 2 cohomology class which can be defined on any compact surface, has any geometric...

Aug2710 10:15 PM
lavinia

1 
923 
Hi!
I've finally decided to tackle a diff geom book, but I'm having trouble with this Problem 4/Chapter 2 from Do...

Sep1610 02:59 AM
arkajad

1 
1,115 
hello,
i have a clarification question:
if i have a metrizable space, can any open set be written as a countable...

Sep2210 03:54 PM
Office_Shredder

1 
1,178 
Hello,
I am constructing a MATLAB script to tightly pack an arbitrary given geometry with spheres of a predefined...

Sep2610 12:02 AM
jgm340

1 
1,374 
The answer is pretty clearly yes, but , embarrassingly, I cannot find a good
argument to thiseffect. Any hints,...

Sep2610 09:04 AM
quasar987

1 
794 
The question says:
Show that if Q = x...x is a rectangle, the Q equals the closure of Int Q.
The definition of...

Sep2410 07:58 AM
VeeEight

1 
1,447 
Let M be a manifold and let f: m > R a Morse function.
Let x be a critical point of f and assume all critical points...

Sep2810 11:19 PM
Eynstone

1 
1,204 