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

Feb2313 09:25 AM
micromass

1 
31,350 
I am attempting to teach myself differential geometry (being bereft of creditied educational institutions in my area)...

Nov706 01:41 PM
quetzalcoatl9

89 
9,665 
This is an example from Bott and Tu 's book DFAT(page 125).The example is in the image.I don't understand why can we...

Nov2211 08:49 PM
lavinia

3 
1,585 
Could someone shortly summarise the essence of Stone's theorem ? What is the difference between Stone's theorem and...

Jun1613 04:22 PM
mma

5 
2,075 
(E, B, V) a vector bundle.EndE is the set of endomorphisms of E, then if g belongs EndE therefore g is a linear V> V...

Oct1210 06:21 AM
quasar987

1 
753 
Well really.... how do you figure it out? Thanks for your help.

Apr2405 03:28 PM
dextercioby

1 
1,546 
Since there are some equations in my question. I write my question in the following attachment. It is about the...

Jan2405 04:09 PM
dextercioby

4 
4,530 
I'm looking for help understanding the coordinate ring. The definition I have roughly says
There is a surjection ...

Apr710 12:30 PM
andlook

0 
1,420 
Hi,
I'm trying to understand the fiber bundle formulation of gauge theory at the moment, and I'm stuck on the...

Nov2912 09:07 PM
...?

2 
1,039 
This may seem like a foolish question, but I can't seem to find the answer anywhere. Also, please forgive the question...

Nov1010 11:56 AM
Kreizhn

4 
1,130 
Unless I'm mistaken about something, the Bing metrization theorem is more or less only a corrolary of the...

Dec3110 10:50 AM
radou

2 
1,570 
Let $$(M,g)$$ be an oriented Remannian surface. Then globally $$(M,g)$$ has a canonical area2 form $$\mathrm{d}M$$...

Oct1812 08:34 AM
quasar987

4 
993 
In considering the shortest paths between two points on a sphere I came across the following interesting problem:
...

Sep914 04:15 AM
nixed

14 
476 
Hi
I do 3D modeling and lately i have been trying to make some more theoretic diagrams about the whole thing....

May1011 01:29 AM
Unrest

3 
1,340 
Hi! I'm perusing fractals out of personal interest. Although I come from physics, I have a background in mathmajor...

May2009 05:29 PM
squidsoft

1 
2,054 
Hi. I was wondering if you guys can refer me to the best possible text that teaches the computations in tensor...

Jan507 02:02 PM
chroot

31 
13,131 
Hello All,
I'm programming an applet and run over a problem I can't solve (hope this is the right place to post...

Apr1912 04:47 AM
bitttttor

10 
1,971 
Howdy all!
I've been wracking (or wrecking) my brain trying to figure out how one might stack tesseracts. If I...

Oct1208 10:33 AM
snathi

0 
1,546 
Hi forum, I was having some difficulty in understanding how time as a fourth dimension allows a cube of three spatial...

Jun2510 03:10 PM
SonyAD

13 
3,624 
somebody know some link or ebook about tensor with examples solved and execises

Nov1607 06:12 PM
robphy

1 
1,684 
Hello,
can anyone explain simply what is a tensor, using the language of Geometric Algebra?
Thanks!

Jun1009 06:03 AM
SW VandeCarr

7 
2,499 
Can anyone recommend good introductory texts for selfstudy? I want to teach myself about tensors and about topology....

Nov1205 06:07 PM
robphy

2 
1,549 
Greetings Gurus,
I'm sure this has been asked before, so feel free to redirect me.
What is the connection...

Jan806 10:56 AM
mathwonk

7 
4,276 
Do any of you have the book Tensors & Manifolds, by Robert H. Wasserman? I was looking for another good book on...

Jun2007 10:57 PM
pmb_phy

0 
1,897 
I've heard alot about "lie groups" on this section of the forum, and was wondering what they are and if someone could...

Feb605 12:54 AM
mathwonk

9 
2,983 
I'm currently researching a 3d tensor, where certain combinations of terms can cause the principal values...

Dec706 05:29 AM
desA

2 
1,813 
I am having trouble understanding how to tell if a matrix is a tensor, a pseudo tensor or neither or the above.
Given...

Feb2111 03:26 PM
Marthius

2 
1,940 
Definitions like this one are common in books: For all ##k,l\in\mathbb N##, a multilinear map...

Jun1313 08:13 PM
Fredrik

11 
2,598 
Hello,
I would very much like someone to please clarify the following points concerning tensor summation to me....

Jul1513 09:31 AM
HallsofIvy

11 
2,563 
I have been trying to learn and visualize a bit of tensor algebra recently, and have been confused by the...

Jan911 11:19 PM
MadRocketSci2

0 
1,755 
1. When can I contract a tensor? Is that an option to contract for example a (1, 1) tensor to a real number or has...

Jan2406 12:14 PM
mathwonk

16 
3,598 
I've been wracking my brains trying to answer this but it's just really hard. If some one could help me out I would...

Nov2708 02:10 PM
shoehorn

1 
1,462 
Hi all,
What is a good introductory book on tensor products and tensor algebras? For motivation, I have found Tom...

Mar2007 07:06 AM
George Jones

1 
12,397 
I've searched everywhere about tensor products but I just can't understand them. Can anyone please explain this...

Apr2411 01:23 AM
dimension10

10 
2,428 
Hello,
I have an exercise where we have to pullback a metric g^{ij} \, \mathrm dx_i \, \mathrm dx_j under a...

Feb2508 02:53 PM
Fredrik

3 
3,060 
It's possible to do the tensor product of two contravariant vectors?
It's possible to do the tensor product of two...

Aug1004 01:43 PM
mathwonk

5 
3,137 
Could someone tell me what the tensor product is and give an example?

Feb1807 08:28 PM
pmb_phy

1 
2,203 
what is the tensor product's physical significance? I know what it does mathematically, but what does it mean. I have...

Dec407 07:03 AM
mathwonk

17 
5,832 
Hi, I have a quick question about a derivation that has annoyed me all day. I am trying to prove, from the definition...

Dec1107 09:48 AM
cathalcummins

3 
1,784 
Excercise Exercise 1.6 of Roger Blandford and Kip Thorne's online textbook Applications of Classical Physics:
"In...

Nov709 12:18 AM
Rasalhague

2 
1,065 
Hello everyone!
I finished school 2 months ago and at the moment I'm looking forward to my study in physics :)
...

Jul2608 03:48 PM
ForMyThunder

3 
9,952 