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(1)

Delphine Moussard (京都大学数理解析研究所)

Finite type invariants of rational homology 3-spheres and their knots

Lagrangian . preserving surgery

Rational

hmlgy handle

body RH Hg ) of genus g

3 mfd A compact , oriented H * 1A ) H* ( Hg i R )

(

Then 2 A Ig )

inc 1

Lagrangian

of A 名 = Ka (H (2 A : Q ) * H ( A i R ) )

M : sphere

h A 213

A c M Q H

Hg

B は H Hg M (事 ) = ( M

i

) Y 13 LP.sn gay

Finite type invariants

= R Q spheres 1 home +7

= Q 1 Mi (

) 1 Mi R _ sphere Ai i

disjoin

QHH in M

.

玉乃

HH いる Ai

11

4

さい

I c {, ) M ( (

) i e I )

-

(2)

DI

A line a map i R is a finite type in

of deg at most n of

R-spl.ee

w.v.t.LP.sn

genies

if ( たい ) = 0

打払

= A

g

* = space of FTI

m

graded by the degree

unit . in

diagram space d

.iq

Gas sarat - Vasa lieu i knots in S

3

\

_ ,

\

Kut said

integral

Gussow - Ha bin : 3 - mfd , Born mean

surgery

sphere

, LMO

Goal i Describe

Q Mi Q _ sphere 13 m = M 1

か月

. ball

N = M

( 豊

) M . N =

[

M ; (

) ] e F

A

[

S :

)

) A ball st . H (

Bpi

p prime

Up ( M ) = Up ( 1 H ( M . ) 1 ) Vp i

pad

ic valuation

(3)

Elementary

surgeries

gems 0

( 号 )

13:12 ball

genus 1

(

| T solid toms

Td

d.toi.e.cl

) = r C last= d ] in H ( :

H ( たい ) = 2 -

41

|

genus 3 Dow mean Surgery

勗 ・

髕 ・

Thm M ) ( Auclair - Les

cop ) A

13 QH H 1 HH hid A

013

Then 13 can be obtained from A by a sequence of

elementary

1 Bowman surgeries and their inverses

in the interior of the QHH 1 HH

(4)

Diagram space

a = deg n Jacobi diagram D

/

AS IH X

= A k

n こ 0

Th m ( Garo

ufalid

is _ Go us saw - Polyak, Le )

There is a canonical

graded

algebra

isomorphism

d _ , graded space associated with

AN

the Go ussaov.tk biro theory sphere

D Jacobi di ag of deg n

/

, 0

M 2 sphere

D M 1 U

Augmented diagram

( Jacobi

diag

) u

(

many isolated vertices

labelled by prime integers

)

Q ( deg nang dia g s

/

@ ( AS . I HX )

8

Th m ( M . )

There is a canonical

graded

algebra

isomorphism d

"

(5)

;

-

( 芳 ) Bp

a ball st H (Bp

%

M .

5

M # N S ' = M _ s ' + N S ' mod

1 5 ;

( 影

(

) degree 1 invariants of framed homology tori

(6)

?

Q Is ' i

Up

が ! ! : 叩

Casson

A

Walker

Universal invariant

( で 絋

= LM 0

(

= kkt ) ( Mi ) 1

Corollary

M , N Q .

spheres

1 1 1 ( M ; ) 1 H. N : ) l

Then でき ( M ) = でき ( N ) Vn Ek

( M ) = で と ( N ) n E k

Cor FT I do not

separate 12 spheres

Perspectives ( M , 3 ) M . sphere

be H ' ( M ; 42 )

CGP invariants

Costantino Geer . Pat urea

参照

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