Ante · 2020. 10. 27. · Monemoduledefmt If M is an R module Ni M ie I dine Ni tobe Eni InieNo...
Transcript of Ante · 2020. 10. 27. · Monemoduledefmt If M is an R module Ni M ie I dine Ni tobe Eni InieNo...
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Monemoduledefmt
If M is an Rmodule Ni M i e I
dine Ni to be Eni InieNoAntesum call t.tkteh
if A CM shutmy o
RA riaiInreR.aieA3CA7fmk.smdlestsubm.d
l M conty A
BI REA Ra if M Ra soca
we say M is cyclic
Def Gen a collation.FRmadsMi ieI
Deke Q Me to beat.ffmtefrn.ls.msEmi
ei fmrtely nay to tuns
Milo t.pk 1 onlytuttyn
to terms
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external ductand
cniwsalpmptyitlomp.Q.IMion
fi c IT Homelmi NEI
u Ta fiMi N
Emi 3 S filmits ic
JJ.CIAnte
1211 III Mi hasthestateof an Rm.dk
them rlmila.Ilrmilo.ee
Unirsalpmpty
HomLN.ttMil HIHomlN.Mi
Y IimsHi
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Det If Man Rmad Mik M ieIslands
s ohthatE Mi M
independent ie Egmso mi o ski
then we say M.amun.ldneI sum
Mo M
and me get Mi M
Tensarpnaducts
121 M in Mod R Coght Raw
µ in R Mod left Romo
p an AhelmngpCin Ab
A bilmer map g Mx NP
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is a map of sets suchthat1 q ma tmz a yCon n tq Man
2 y mini ud ylm.ndtelm.ua
3 qlmn.nl y Minn
DefA product MapN is an Ahelugp
unique opto isam ul folkyuniversal
property
Bil MxN P Hamas MGM P
Dd The Q product of M Nis
MakNsM q12 Free Aldean
gp gematedsolyp gen hyallelmts by thesetof the firm MXNMatMa h M n Man
m n tha Mnd LM na
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Cmr n Minn
Hamas MarMP fcHomabKMXN7 PT fLRIo
EFeHonatslMxN.P fTm.t.mun
Fcm nl mr.n
BillMxN Pet g
MarN gen by repsin MXN
notater man g Tn9simpletensions
m ran Maru LMTM n Mi htMza U
et R F field V W R modules
recall 5,7 Vaw P bilm means
Su w tve i LY w ta WD
Assume inged 5,2 is cloud and melt
by Rimage isconked in an R mad
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Alvin Edu w u w
f wLu kw7 fue if Reomm
if eishntrV 343basis fr w
it know Lei fj7 xijePthen SEaiei.sbjfj7
fgaibjsei.f.gl Saibjaj
Carmody gren M N P anddint
would loletedledijep
Saiei shjf Sabjajthe mates sniff is
an R onadok
So if RcammyBICM.xMP MnmlP
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M R N Rm
x ta in y IIIsay xAy A Cag
AGrammatrx
Redisymm.bihrfmvxvspveohspuesmfddlblu.in
HmvGmm y R
V rub spbluaw ebCwav
Recall stew sym bitw VxV p
yw wcw v
Red Altrulyfrm a Vxv p
alum 0 all utv
Altruly stew symmeto alutuyui wj acyvjiacw.ae
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a yw aCwv
stew Syn Alt unless za
w un s w Yu z wait 0
EI 24221 24321
b.hr maps 2422 2932Is P
G za b g la 2b y la bO a
ceca bcecab
i
Glob tacob 9 0
242202,24321 O
2128 ee Q2
ft
iiiiiiii
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cair r f Yb at 22