LD on Hamiltonian isotopic after coordinate permutation A non - - PDF document

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LD on Hamiltonian isotopic after coordinate permutation A non - - PDF document

Exotic embeddings of cubes joint work with Joe Brendel and Felix Schlent A symplectic cube C a the disk of a a are D a D D D a a cube a a n times il act 1 a Yes il in cas ways many different essentially Il LD on


slide-1
SLIDE 1

Exotic

embeddings of

cubes

joint work with Joe Brendel and Felix Schlent

A symplectic cube

C

a

D

a

the disk of

are

a a a

D

a

D

a

D

a

cube

n times

a

1

il

act

in

many

ways

Yes

il

cas

essentially

different

Il

  • n Hamiltonian isotopic after

coordinate permutation

LD

a

non isotopicbyfluer Hoher Wysocki

A

1

as

isotopic to standard

as

too little space

to embed

slide-2
SLIDE 2

There

are

some

further previous

results

  • u

non

isotopic embeddings by

Hind

Gutt Usher and

Dimitrogler Rizell Theorem

Brendel Schleck M

et

non isotopic embeddings

a

1

grows arbitrarily large when

a

Et

cas

at

least

two

embeddings

un

ca

qt

least

three embeddings

1,1 3

slide-3
SLIDE 3

A

version et

the

same theorem for

1341

  • f

na isotopie embeddings

la

B

psy

jpp

grows arbitrarily large

when

a

f 1

DU

Ça f

at

least

  • ne

did

cas

at

least two

11,2

cas

at

least three

45,2

slide-4
SLIDE 4

Furlermore

a

similar theorem

for

embedding

to

closed monotone

Del

Dezzo

surfaces

In

particular

il

the

degree

P

is

9,8 6,5

then

gnous

arbitrarily large for

a

a

f

KE g

end

a

1

KF8

her

QPxept

P.is

2K

doesnot admit

Q

1

KE g

Pialttiangular degenendons

f6

Clip blown up 3 times

l

r

r

Q

q

K

b

Clip blownup 4 lines

less

well organized embeddings

probably also with

from degeneration to

Pic

1 tone surfaces

their

number

growing arbitrarily large

for other K

i

e

blown up

1,2 5,47 and8

times

slide-5
SLIDE 5

Markov's

and Markov type

equations

and

their

tonic

geometry

Markov 1879

d

642

3 abc

0,6

ce

1N

numerology

  • f

GR

such GB c

called Markov'striple

Hacking Prokhorov

advancing

au earlier workofManetti

2010

classified

projective tone surfaces with

Piet

and

having

  • nly

T

singularities aha Wahl

Q Gorenstein

sinoothable tonic singularities

and noticed

that

they

are

snoothoble

globally

vanishing local to global obstructions

Answery

Pld f R

where

lake

isa Markov triple

clin

11,421,145,2

  • ther

more constructive proofs are also available log

now

slide-6
SLIDE 6

why to

car

A

smoothing

is

a

projective

family

3 foff

X CA

Xt

X

singulart

tt

t

smooth

ff

c

Dat

D

unit cl disk

Xt Xtz

symplecto

7

characteristic

norphisa

foliation

in

µ

ê

Ë

t.net

gag

iÏü

Ï

ff

24

slide-7
SLIDE 7

symplectomorphic

Xi

X

Elk

x Xt

Ifk

Smooth

t

p

singular

locus d

part

locus

vanishing cycles

Anything embedded to the smooth locus of to

gets

symplecticolly

transported to Xt

The

idea et using Markov triples

to

study

  • f

symplectic

geometry of

EP goes back

to

2010 pmprint

IPMU

  • f

Gallus and Usnich

slide-8
SLIDE 8

Calkin and Usuich

have

upgraded Markov triples

ÇA c

to Markov lathe

triangle t.eu CIR

corresponding to

tric dans of Playa i

and

introduced

their

mutations

0,6 c

a 6,308 c

g

Markov triangle

étoki

sobe

a geometric

representation

  • f

d

Markov's equation

10,07 10,0

ad

C

Zleugtha

Each

cone

  • p

Pp is

a

I

singularity

Zheights

  • f Milnor number O

V

length

normalized

area

à height

slide-9
SLIDE 9

la

l

In

a

I

i

PU 1,17AM

Pat 4

pr 9211

Tap

Convex Hull

ÆË

Using tonic fan

mutations

corresponding to Markov's

mutations Ca b c Cabisab c

G U have introduced

an

integer

functions

  • n the lattice

points d Ta

Conjecture G U

2010

this

function

is

the

counting Maslow 2

disk

function for

some corresponding

Lagrangian

ton

a b c

C

Ipl

proved

by

Vianna

Pascalelf Touleonog

Dimitroglu Rizell Ekholm Tanking

et al

slide-10
SLIDE 10

Let

us

construct

ça directly from smoothing

  • f

Plait

d

Galvin M

unpublished

Symplecticolly

Pca

is

given

by

a

dual

N MY lattice

triangle OqqcN.IR

Ss

to

Tap

C Mor Re R

R

i ÏÏ

G U

mutations

and dual matelas

cf almost tonimutadia

  • f Casals Vianna

in this

polygon

we

consider

integer

bissectrices

they

intersect

in

  • ne

point

Note

it

is not

generally

the barycenter

  • f Das
slide-11
SLIDE 11

j j.li

ctntediteda

The fiber

  • ver

is

a

monotone

Lagrangian tonus

contained

in the Smooth

locus

das

CNNRNR

d

Plan

t

Yin

slide-12
SLIDE 12

Similarly

il

c 1

then

à

Top

I

Ebasis

µ

f2

1

Healy

singular points

removing

the

hypotenuse

gives Etat in

the

Smooth

locus of

Phi MD

Eté

embeds to

1PM 1,1

  • f volume

are

area et K Sabc

the

hypotenuse taken with multiplicity ab

is

the huit

d

a family d lires

is

he approximating

À

sharp

l

Edf

embeds to

Blab

embedding

Eco A dË Ü3

  • r

Elf

embeds to BH

d

A

la.by

is

Casals

Vianna

slide-13
SLIDE 13

Markov triple

But

cubes

are

also

in

Ela

ab

ab

aÆÆ

a

a

Hab

faxe

J

C

bissectrice

bla

c

BU

BY SILLÉ

for dilterait

Markov triples Ca 6,1

consecutive odd Fibonacci doubles la

Ca

d

are not

Hamiltonian isotopic

since

Cada spifsiztL.me

already the restrictions to pifs

can

not

be

Hamiltonian

isotopic

The argument

survives stabilization by

D

taking products

with

BY ofother monotone nlds coulanty cubes

slide-14
SLIDE 14

We

finish

Cia

Bill

case by

consideration

d the

following representation of the goldensedan

r

Kc

F

µ

ç

goldensectionellipsoid

r

s

z

s

f

f f

is

the

integer

center of inscribed circle

Et

even continuous

ÉË

n'bed

le

L

bissectrice

intersection point

t

slide-15
SLIDE 15

Cubes

sources

can

be traded

for

  • ther domains

in

How about targets

is

the Del Pezzo surface et

highest

possible degree

9

but

there

are

smaller

degree

DPs

and

they have

their own

Markov type equations

je

NARTIR

perimeter M

a

battu triangle

area

A

gives

X

cap

Kahler bric

variety

slide-16
SLIDE 16

w

A

iw.K

Mwettlxkizdkc

HYXOI.IQ

Il

1

1

work

A

proportional

Noether's

formula

3

K

m

12

Et

Milnornumbers et cornes

l

for

KK 9

May have I

singularities

M méthylène

A

main.ua dc2

Markov

type

equations

Vit

TAI

maêtnebkhei

KaneoheQUEL

slide-17
SLIDE 17

ma à

urgé

tn

c

m.mn 12 na n

m

abc

l

must be integer

Hacking

Prokhorov

14

Marteau type equations

But

  • nly

4 of

them

Q2 l

CE sale

04284F Gabe SAEKI E Coloc

507f

E Sale

admit

solutions with less then

three

Singularities

I

e

un

e 1

The other to

do not

442f42 CE fabe

3è 382

3 i

9 be 604267 E Gabe À4172Eme

8 à

f4

f

Gabe

604384 E Gabe

90464CE3abe

8 à 284 E

Gabe

5045f

E 5alx.ba

3b72c2 Gabc

slide-18
SLIDE 18

EH

2

EH

phaetot

Papa

Mit

audited

Être

ils complement

is

Elf

2