f-clayton/teaching/m670s15/lectures/day37.pdfmath 670: by 37 eqilatnlpkgs & con needs to syapbek...
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Math 670 : By 37.
Eqilatnl pkgs & con needs to syapbek geometryF-
Suppa instead we are mtnstd in udrstdy quiktnl plan in R3 ( Sheth . } B the not cannon polymer mold)
Again treaty the edgy as beets,
we want pohb ( I , .
,in ) EGY '
st . EE = s.She thank is
really 3 qwths 11 freeh come ),wire Why uht a ( h - 3) - din 't spare or
,
after noddy at hy Sol } ), a
12h - 6) -din 'l space .
up in the qualm .mx world,
will see a prdt f 3 . sphs : 8 ( i ) x . .× 5 ( D
,but this dos net tm at to
be a patilf pohtu approach.
Instead,
it tens art to be mh both to use the sympbdk gung f $ "
.
Def : A synpkck stake on a 2nd in H nfd is a closed,nndgnete 2- fm wail m)
.
He non . degroote means tht if 7 XETPM st . wplk 'D= 0 t YETPM ,th X=o ar
, quubty ,tht
W" "
= w ^. . ^ w
B no ihe - vanish if .
was
by : ¢ 4 w = dx , ndy ,t . .
. + dxnndyn .
hg. Any oriented Swfe.
The area form is the syybdnfom .
e.g. ,5 w / nee fm w sin by wplu , D= ( p,
uxv > for all u, vttps !
Df; wt (M, ,w
, ) ,(Mr
,we ) he Synphetl 2h nfds & let 4 : M, → Make a diffonuphsm
. y is a synpbdomwphym
if 4 To2
= w, .
qRh
Thm(Dahou×j . let IMY w ) be sypbk kit PEM .this card . Cht 4 : u → Mohd at p st .
4*w = ÷z,dxindyi
.
In other words,the B no interest local syfbdi footy .
Hamilton
ht (M,w ) be sypbdn & sppse Hi M→R is smooth .
Then dHER ' M ) ; by nmdgnpg ,F '
. XAE HIM) st .
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lx.tw = whit,
' ) = DH.
let yj .
M→M be the tpwtrfmiff dittos grated by Xp ; ie,
Yeidm & dah÷ olli'
=X*
bmj. HE w = w,
so Hindus a family fsyykedomphms .
Prof : Ft Atw ; ↳,+w
Fdlx,+w + '
x,+dd= 0. as
def of Lieder . (ufns ¥1 °
I see Day 13 ) M÷Fmh
he uectrfdd XA Balled a Hamilton in veetr field with Hilton film H.
PrtmtE×gT Grow 15,do ndh) & tit It '
.5→R be the heghtfetm ; i.e.
, HIQH =h.then
dH=dh= ixnldondh) = do nah ( X,+;) ⇐> X ,+= to,
so the flow is yd 0,4=10-+44 ),rokk and the urklaxi
,whih food press A
.
In fat, the lot th f ay Hmiltmin rectrfdd always casing the associated Hani Amin (moth nods,int I cans are antis in level at ) :
adel HoledD= dHH#)=↳*wkA= HXA,×H=o
.
hx(HmiHuinMeoh=) : Casar IR" wl cards
.
(q , . , son , p. , - ,PD & w = Edgin 93
'
.Then far g Kilton vf . Xp
,
At = HttpHI Ban into are ⇒ { dh÷tH=s¥i
d¥nH) =. g÷ ,
( Hamilton gets)
indeed,if X#= ZITI B:
- ¥E£D,the
law = E lait dqj ' ' Pi ) = E [ ( ix , D8;) ndpj - dq; n 1(× ,+dp;D = E ( ftp.dpjts#g.dgD=dH
Now,asibr n =3 & a Pahk f mss m moves war a pthl Had Hy acne qlt) st .
matte = - ovb ).
Intone waned pi = m date & the enyyfnk A ( pi ) = knlptt VG ).let 1124 = T +1123 he the wrong phse spa .
Then
Newts send law Bquiraht to the kilt qualms :
doff - tmpi =¥E{dap÷=majq÷= . ¥,
= .s¥.
ad so he • let the ewy A Bansmdytephysilmtn .