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luke naylor latex documents
research
Max Destabilizer Rank
Commits
937f8b93
Commit
937f8b93
authored
1 year ago
by
Luke Naylor
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Complete proof and misc in problems sect
parent
3d608a35
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main.tex
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937f8b93
...
...
@@ -654,14 +654,13 @@ $v-u$ for each solution $u$ of the problem.
Fix a Chern character
$
v
$
with positive rank,
$
\Delta
(
v
)
\geq
0
$
,
and
$
\beta
_{
-
}
(
v
)
\in
\QQ
$
.
The goal is to find all solutions
$
u
$
to problem
\ref
{
problem:problem-statement-1
}
with the choice
$
P
=(
\beta
_{
-
}
,
0
)
$
.
The goal is to find all pseudo-semistabilizers
$
u
$
which give circular
pseudo-walls on the left side of
$
V
_
v
$
.
\end{problem}
This is a specialization of problem (
\ref
{
problem:problem-statement-1
}
)
w
hich will give all circular pseudo-walls left of
$
V
_
v
$
.
This is because all circular walls left of
$
V
_
v
$
intersect
$
\Theta
_
v
^
-
$
.
w
ith the choice
$
P
=(
\beta
_{
-
}
,
0
)
$
.
This is because all circular walls left of
$
V
_
v
$
intersect
$
\Theta
_
v
^
-
$
(once)
.
The
$
\beta
_{
-
}
(
v
)
\in
\QQ
$
condition is to ensure that there are finitely many
solutions. As mentioned in the introduction (
\ref
{
sec:intro
}
), this is known,
however this will also be proved again in passing in this article.
...
...
@@ -680,17 +679,22 @@ problem with the help of lemma \ref{lem:pseudo_wall_numerical_tests}.
Are precisely given by integers
$
r,c,d
$
satisfying the following conditions:
\begin{enumerate}
\item
$
r >
0
$
\item
$
\Delta
(
u
)
\geq
0
$
\item
$
\Delta
(
v
-
u
)
\geq
0
$
\item
$
\Delta
(
u
)
\geq
0
$
\item
$
\Delta
(
v
-
u
)
\geq
0
$
\item
$
\beta
(
P
)
<
\mu
(
u
)=
\frac
{
c
}{
r
}
<
\mu
(
v
)
$
\item
$
\chern
_
1
^{
\beta
(
P
)
}
(
v
-
u
)
\
g
eq
0
$
\item
$
\chern
_
1
^{
\beta
(
P
)
}
(
u
)
\
l
eq
\chern
_
1
^{
\beta
(
P
)
}
(
v
)
$
\item
$
\chern
_
2
^{
P
}
(
u
)
>
0
$
\end{enumerate}
\end{lemma}
\begin{proof}
% TODO complete
Use main lemma
\ref
{
lem:pseudo
_
wall
_
numerical
_
tests
}
TODO
Consider the context of
$
v
$
being a Chern character with positive rank and
$
\Delta
\geq
0
$
, and
$
u
$
being a Chern character with
$
\Delta
(
u
)
\geq
0
$
.
Lemma
\ref
{
lem:pseudo
_
wall
_
numerical
_
tests
}
gives that the remaining
conditions for
$
u
$
being a solution to problem
\ref
{
problem:problem-statement-1
}
are precisely equivalent to the
remaining conditions in this lemma.
\end{proof}
\begin{corrolary}
[Numerical Tests for All `left' Pseudo-walls]
...
...
@@ -701,16 +705,17 @@ problem with the help of lemma \ref{lem:pseudo_wall_numerical_tests}.
Are precisely given by integers
$
r,c,d
$
satisfying the following conditions:
\begin{enumerate}
\item
$
r >
0
$
\item
$
\Delta
(
u
)
\geq
0
$
\item
$
\Delta
(
v
-
u
)
\geq
0
$
\item
$
\Delta
(
u
)
\geq
0
$
\item
$
\Delta
(
v
-
u
)
\geq
0
$
\item
$
\beta
(
P
)
<
\mu
(
u
)=
\frac
{
c
}{
r
}
<
\mu
(
v
)
$
\item
$
\chern
_
1
^{
\beta
_{
-
}}
(
v
-
u
)
\
g
eq
0
$
\item
$
\chern
_
1
^{
\beta
(
P
)
}
(
u
)
\
l
eq
\chern
_
1
^{
\beta
(
P
)
}
(
v
)
$
\item
$
\chern
_
2
^{
\beta
_{
-
}}
(
u
)
>
0
$
\end{enumerate}
\end{corrolary}
\begin{proof}
This is a specialization of the previous lemma, using
$
P
=(
\beta
_{
-
}
,
0
)
$
.
\end{proof}
...
...
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