Open access
Jul 2026
<p>
Let
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper X">
<mml:semantics>
<mml:mi>X</mml:mi>
<mml:annotation encoding="application/x-tex">X</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
be a smooth open manifold of even dimension,
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper T">
<mml:semantics>
<mml:mi>T</mml:mi>
<mml:annotation encoding="application/x-tex">T</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
be a topological space, and
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="script upper J equals left-brace upper J Subscript t Baseline right-brace Subscript t element-of upper T">
<mml:semantics>
<mml:mrow>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi mathvariant="script">J</mml:mi>
</mml:mrow>
<mml:mo>=</mml:mo>
<mml:mo fence="false" stretchy="false">{</mml:mo>
<mml:msub>
<mml:mi>J</mml:mi>
<mml:mi>t</mml:mi>
</mml:msub>
<mml:msub>
<mml:mo fence="false" stretchy="false">}</mml:mo>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi>t</mml:mi>
<mml:mo>
∈
</mml:mo>
<mml:mi>T</mml:mi>
</mml:mrow>
</mml:msub>
</mml:mrow>
<mml:annotation encoding="application/x-tex">\mathscr {J}=\{J_t\}_{t\in T}</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
be a continuous family of smooth integrable Stein structures on
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper X">
<mml:semantics>
<mml:mi>X</mml:mi>
<mml:annotation encoding="application/x-tex">X</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
. Under suitable additional assumptions on
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper T">
<mml:semantics>
<mml:mi>T</mml:mi>
<mml:annotation encoding="application/x-tex">T</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
and
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="script upper J">
<mml:semantics>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi mathvariant="script">J</mml:mi>
</mml:mrow>
<mml:annotation encoding="application/x-tex">\mathscr {J}</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
, we prove an Oka principle for continuous families of maps from the family of Stein manifolds
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="left-parenthesis upper X comma upper J Subscript t Baseline right-parenthesis">
<mml:semantics>
<mml:mrow>
<mml:mo stretchy="false">(</mml:mo>
<mml:mi>X</mml:mi>
<mml:mo>,</mml:mo>
<mml:msub>
<mml:mi>J</mml:mi>
<mml:mi>t</mml:mi>
</mml:msub>
<mml:mo stretchy="false">)</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">(X,J_t)</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
,
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="t element-of upper T">
<mml:semantics>
<mml:mrow>
<mml:mi>t</mml:mi>
<mml:mo>
∈
</mml:mo>
<mml:mi>T</mml:mi>
</mml:mrow>
<mml:annotation encoding="application/x-tex">t\in T</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
, to any Oka manifold, showing that every family of continuous maps is homotopic to a family of
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper J Subscript t">
<mml:semantics>
<mml:msub>
<mml:mi>J</mml:mi>
<mml:mi>t</mml:mi>
</mml:msub>
<mml:annotation encoding="application/x-tex">J_t</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
-holomorphic maps depending continuously on
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="t">
<mml:semantics>
<mml:mi>t</mml:mi>
<mml:annotation encoding="application/x-tex">t</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
. We also prove the Oka–Weil theorem for sections of
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="script upper J">
<mml:semantics>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi mathvariant="script">J</mml:mi>
</mml:mrow>
<mml:annotation encoding="application/x-tex">\mathscr {J}</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
-holomorphic vector bundles on
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper Z equals upper T times upper X">
<mml:semantics>
<mml:mrow>
<mml:mi>Z</mml:mi>
<mml:mo>=</mml:mo>
<mml:mi>T</mml:mi>
<mml:mo>
×
</mml:mo>
<mml:mi>X</mml:mi>
</mml:mrow>
<mml:annotation encoding="application/x-tex">Z=T\times X</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
and the Oka principle for isomorphism classes of such bundles. The assumption on the family
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="script upper J">
<mml:semantics>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi mathvariant="script">J</mml:mi>
</mml:mrow>
<mml:annotation encoding="application/x-tex">\mathscr {J}</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
is that the
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper J Subscript t">
<mml:semantics>
<mml:msub>
<mml:mi>J</mml:mi>
<mml:mi>t</mml:mi>
F. Forstnerič, Á. Sigurðardóttir
· Transactions of the American... · 1 citation
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Aug 2026
<p>
The fractional integral operators
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper I Subscript alpha">
<mml:semantics>
<mml:msub>
<mml:mi>I</mml:mi>
<mml:mi>
α
</mml:mi>
</mml:msub>
<mml:annotation encoding="application/x-tex">I_\alpha</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
play an important role in the theory of Musielak–Orlicz Hardy spaces. This paper studies the boundedness of the commutators
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="left-bracket b comma upper I Subscript alpha Baseline right-bracket">
<mml:semantics>
<mml:mrow>
<mml:mo stretchy="false">[</mml:mo>
<mml:mi>b</mml:mi>
<mml:mo>,</mml:mo>
<mml:msub>
<mml:mi>I</mml:mi>
<mml:mi>
α
</mml:mi>
</mml:msub>
<mml:mo stretchy="false">]</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">[b,I_\alpha ]</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
generated by fractional integral operators
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper I Subscript alpha">
<mml:semantics>
<mml:msub>
<mml:mi>I</mml:mi>
<mml:mi>
α
</mml:mi>
</mml:msub>
<mml:annotation encoding="application/x-tex">I_\alpha</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
with
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="b">
<mml:semantics>
<mml:mi>b</mml:mi>
<mml:annotation encoding="application/x-tex">b</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
on the Musielak–Orlicz Hardy spaces. We show that, under suitable assumptions on two growth functions
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="phi 1">
<mml:semantics>
<mml:msub>
<mml:mi>
φ
</mml:mi>
<mml:mn>1</mml:mn>
</mml:msub>
<mml:annotation encoding="application/x-tex">\varphi _1</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
and
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="phi 2">
<mml:semantics>
<mml:msub>
<mml:mi>
φ
</mml:mi>
<mml:mn>2</mml:mn>
</mml:msub>
<mml:annotation encoding="application/x-tex">\varphi _2</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
, if
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="b element-of script upper B script upper M script upper O Subscript phi 1 Baseline left-parenthesis double-struck upper R Superscript n Baseline right-parenthesis">
<mml:semantics>
<mml:mrow>
<mml:mi>b</mml:mi>
<mml:mo>
∈
</mml:mo>
<mml:msub>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi class="MJX-tex-caligraphic" mathvariant="script">B</mml:mi>
<mml:mi class="MJX-tex-caligraphic" mathvariant="script">M</mml:mi>
<mml:mi class="MJX-tex-caligraphic" mathvariant="script">O</mml:mi>
</mml:mrow>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:msub>
<mml:mi>
φ
</mml:mi>
<mml:mn>1</mml:mn>
</mml:msub>
</mml:mrow>
</mml:msub>
<mml:mo stretchy="false">(</mml:mo>
<mml:msup>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi mathvariant="double-struck">R</mml:mi>
</mml:mrow>
<mml:mi>n</mml:mi>
</mml:msup>
<mml:mo stretchy="false">)</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">b\in \mathcal {BMO}_{\varphi _1}(\mathbb R^n)</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
, then the commutator
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="left-bracket b comma upper I Subscript alpha Baseline right-bracket">
<mml:semantics>
<mml:mrow>
<mml:mo stretchy="false">[</mml:mo>
<mml:mi>b</mml:mi>
<mml:mo>,</mml:mo>
<mml:msub>
<mml:mi>I</mml:mi>
<mml:mi>
α
</mml:mi>
</mml:msub>
<mml:mo stretchy="false">]</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">[b,I_\alpha ]</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
is bounded from the Musielak–Orlicz Hardy spaces
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper H Superscript phi 1 Baseline left-parenthesis double-struck upper R Superscript n Baseline right-parenthesis">
<mml:semantics>
<mml:mrow>
<mml:msup>
<mml:mi>H</mml:mi>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:msub>
<mml:mi>
φ
</mml:mi>
<mml:mn>1</mml:mn>
</mml:msub>
</mml:mrow>
</mml:msup>
<mml:mo stretchy="false">(</mml:mo>
<mml:msup>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi mathvariant="double-struck">R</mml:mi>
</mml:mrow>
<mml:mi>n</mml:mi>
</mml:msup>
<mml:mo stretchy="false">)</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">H^{\varphi _1}(\mathbb R^n)</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
to the Musielak–Orlicz spaces
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper L Superscript phi 2 Baseline left-parenthesis double-struck upper R Superscript n Baseline right-parenthesis">
<mml:semantics>
Yanyan Han, Hongwei Huang, Jinghan Shao et al.
· Proceedings of the American... · 0 citations
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Aug 2026
<p>
We combine the relative trace formula with analytic methods to obtain zero density estimates for
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper L">
<mml:semantics>
<mml:mi>L</mml:mi>
<mml:annotation encoding="application/x-tex">L</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
-functions in various families of automorphic representations for
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="normal upper G normal upper L left-parenthesis m right-parenthesis">
<mml:semantics>
<mml:mrow>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi mathvariant="normal">G</mml:mi>
<mml:mi mathvariant="normal">L</mml:mi>
</mml:mrow>
<mml:mo stretchy="false">(</mml:mo>
<mml:mi>m</mml:mi>
<mml:mo stretchy="false">)</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">\mathrm {GL}(m)</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
that show their strength close to the critical line. Applications include strong bounds for the average analytic rank of these
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper L">
<mml:semantics>
<mml:mi>L</mml:mi>
<mml:annotation encoding="application/x-tex">L</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
-functions at the central point and average equidistribution results for the imaginary parts of the zeros.
</p>
Valentin Blomer, Jesse Thorner
· Transactions of the American... · 0 citations
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Open access
Aug 2026
<p>
A slope
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="p slash q">
<mml:semantics>
<mml:mrow>
<mml:mi>p</mml:mi>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mo>/</mml:mo>
</mml:mrow>
<mml:mi>q</mml:mi>
</mml:mrow>
<mml:annotation encoding="application/x-tex">p/q</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
is characterising for a knot
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper K subset-of double-struck upper S cubed">
<mml:semantics>
<mml:mrow>
<mml:mi>K</mml:mi>
<mml:mo>
⊂
</mml:mo>
<mml:msup>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi mathvariant="double-struck">S</mml:mi>
</mml:mrow>
<mml:mn>3</mml:mn>
</mml:msup>
</mml:mrow>
<mml:annotation encoding="application/x-tex">K \subset \mathbb {S}^3</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
if the orientation-preserving homeomorphism type of the manifold
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="double-struck upper S Subscript upper K Superscript 3 Baseline left-parenthesis p slash q right-parenthesis">
<mml:semantics>
<mml:mrow>
<mml:msubsup>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi mathvariant="double-struck">S</mml:mi>
</mml:mrow>
<mml:mi>K</mml:mi>
<mml:mn>3</mml:mn>
</mml:msubsup>
<mml:mo stretchy="false">(</mml:mo>
<mml:mi>p</mml:mi>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mo>/</mml:mo>
</mml:mrow>
<mml:mi>q</mml:mi>
<mml:mo stretchy="false">)</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">\mathbb {S}^3_K(p/q)</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
obtained by performing Dehn surgery of slope
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="p slash q">
<mml:semantics>
<mml:mrow>
<mml:mi>p</mml:mi>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mo>/</mml:mo>
</mml:mrow>
<mml:mi>q</mml:mi>
</mml:mrow>
<mml:annotation encoding="application/x-tex">p/q</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
along
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper K">
<mml:semantics>
<mml:mi>K</mml:mi>
<mml:annotation encoding="application/x-tex">K</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
uniquely determines the knot
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper K">
<mml:semantics>
<mml:mi>K</mml:mi>
<mml:annotation encoding="application/x-tex">K</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
. We combine new applications of results from hyperbolic geometry with previous individual work of the authors to determine, for any given knot
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper K">
<mml:semantics>
<mml:mi>K</mml:mi>
<mml:annotation encoding="application/x-tex">K</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
, an explicit bound
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="script upper C left-parenthesis upper K right-parenthesis">
<mml:semantics>
<mml:mrow>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi class="MJX-tex-caligraphic" mathvariant="script">C</mml:mi>
</mml:mrow>
<mml:mo stretchy="false">(</mml:mo>
<mml:mi>K</mml:mi>
<mml:mo stretchy="false">)</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">\mathcal {C}(K)</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
such that
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="StartAbsoluteValue q EndAbsoluteValue greater-than script upper C left-parenthesis upper K right-parenthesis">
<mml:semantics>
<mml:mrow>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mo stretchy="false">|</mml:mo>
</mml:mrow>
<mml:mi>q</mml:mi>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mo stretchy="false">|</mml:mo>
</mml:mrow>
<mml:mo>></mml:mo>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi class="MJX-tex-caligraphic" mathvariant="script">C</mml:mi>
</mml:mrow>
<mml:mo stretchy="false">(</mml:mo>
<mml:mi>K</mml:mi>
<mml:mo stretchy="false">)</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">|q| > \mathcal {C}(K)</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
implies that
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="p slash q">
<mml:semantics>
<mml:mrow>
<mml:mi>p</mml:mi>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mo>/</mml:mo>
</mml:mrow>
<mml:mi>q</mml:mi>
</mml:mrow>
<mml:annotation encoding="application/x-tex">p/q</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
is a characterising slope for
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper K">
<mml:semantics>
<mml:mi>K</mml:mi>
<mml:annotation encoding="application/x-tex">K</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
. Furthermore, we find an optimal such
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="script upper C left-parenthesis upper K right-parenthesis">
<mml:semantics>
<mml:mrow>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi class="MJX-tex-caligraphic" mathvariant="script">C</mml:mi>
</mml:mrow>
<mml:mo stretchy="false">(</mml:mo>
<mml:mi>K</mml:mi>
Patricia Sorya, L. Wakelin
· Transactions of the American... · 0 citations
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Open access
Aug 2026
<p>
Let
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="pi 1 comma pi 2">
<mml:semantics>
<mml:mrow>
<mml:msub>
<mml:mi>
π
</mml:mi>
<mml:mn>1</mml:mn>
</mml:msub>
<mml:mo>,</mml:mo>
<mml:msub>
<mml:mi>
π
</mml:mi>
<mml:mn>2</mml:mn>
</mml:msub>
</mml:mrow>
<mml:annotation encoding="application/x-tex">\pi _1,\pi _2</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
be irreducible admissible generic tempered representations of
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="normal upper G normal upper L Subscript 2 Baseline left-parenthesis upper F right-parenthesis">
<mml:semantics>
<mml:mrow>
<mml:msub>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi mathvariant="normal">G</mml:mi>
<mml:mi mathvariant="normal">L</mml:mi>
</mml:mrow>
<mml:mn>2</mml:mn>
</mml:msub>
<mml:mo stretchy="false">(</mml:mo>
<mml:mi>F</mml:mi>
<mml:mo stretchy="false">)</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">\mathrm {GL}_2(F)</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
for some finite extension
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper F slash bold upper Q Subscript p">
<mml:semantics>
<mml:mrow>
<mml:mi>F</mml:mi>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mo>/</mml:mo>
</mml:mrow>
<mml:msub>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi mathvariant="bold">Q</mml:mi>
</mml:mrow>
<mml:mi>p</mml:mi>
</mml:msub>
</mml:mrow>
<mml:annotation encoding="application/x-tex">F/\mathbf {Q}_p</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
of odd residue characteristic. Inspired by work of Loeffler and previous work of the author on unramified zeta-integrals, we introduce a natural general notion of
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="left-parenthesis pi 1 times pi 2 right-parenthesis">
<mml:semantics>
<mml:mrow>
<mml:mo stretchy="false">(</mml:mo>
<mml:msub>
<mml:mi>
π
</mml:mi>
<mml:mn>1</mml:mn>
</mml:msub>
<mml:mo>
×
</mml:mo>
<mml:msub>
<mml:mi>
π
</mml:mi>
<mml:mn>2</mml:mn>
</mml:msub>
<mml:mo stretchy="false">)</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">(\pi _1\times \pi _2)</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
-
<italic>integral</italic>
data at which the Rankin-Selberg zeta-integral can be evaluated. We then establish an integral refinement of Jacquet-Langland’s GCD-result for this zeta-integral, when evaluated at
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="left-parenthesis pi 1 times pi 2 right-parenthesis">
<mml:semantics>
<mml:mrow>
<mml:mo stretchy="false">(</mml:mo>
<mml:msub>
<mml:mi>
π
</mml:mi>
<mml:mn>1</mml:mn>
</mml:msub>
<mml:mo>
×
</mml:mo>
<mml:msub>
<mml:mi>
π
</mml:mi>
<mml:mn>2</mml:mn>
</mml:msub>
<mml:mo stretchy="false">)</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">(\pi _1\times \pi _2)</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
-integral data. This is compatible with the notion of integrality coming from the Fourier coefficients of newforms of even integral weights. Our approach relies on a reinterpretation of the Rankin-Selberg zeta-integral, and works of Assing and Saha on values of
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="p">
<mml:semantics>
<mml:mi>p</mml:mi>
<mml:annotation encoding="application/x-tex">p</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
-adic Whittaker new vectors.
</p>
Unknown authors
· Representation Theory · 0 citations
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Open access
Aug 2026
<p>
Consider a Brownian loop soup
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="script upper L Subscript upper D Superscript theta">
<mml:semantics>
<mml:msubsup>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi class="MJX-tex-caligraphic" mathvariant="script">L</mml:mi>
</mml:mrow>
<mml:mi>D</mml:mi>
<mml:mi>
θ
</mml:mi>
</mml:msubsup>
<mml:annotation encoding="application/x-tex">\mathcal {L}_D^\theta</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
with subcritical intensity
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="theta element-of left-parenthesis 0 comma 1 slash 2 right-bracket">
<mml:semantics>
<mml:mrow>
<mml:mi>
θ
</mml:mi>
<mml:mo>
∈
</mml:mo>
<mml:mo stretchy="false">(</mml:mo>
<mml:mn>0</mml:mn>
<mml:mo>,</mml:mo>
<mml:mn>1</mml:mn>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mo>/</mml:mo>
</mml:mrow>
<mml:mn>2</mml:mn>
<mml:mo stretchy="false">]</mml:mo>
</mml:mrow>
<mml:annotation encoding="application/x-tex">\theta \in (0,1/2]</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
in some 2D bounded simply connected domain
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper D">
<mml:semantics>
<mml:mi>D</mml:mi>
<mml:annotation encoding="application/x-tex">D</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
. We define and study the properties of a conformally invariant field
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="h Subscript theta">
<mml:semantics>
<mml:msub>
<mml:mi>h</mml:mi>
<mml:mi>
θ
</mml:mi>
</mml:msub>
<mml:annotation encoding="application/x-tex">h_\theta</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
naturally associated to
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="script upper L Subscript upper D Superscript theta">
<mml:semantics>
<mml:msubsup>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi class="MJX-tex-caligraphic" mathvariant="script">L</mml:mi>
</mml:mrow>
<mml:mi>D</mml:mi>
<mml:mi>
θ
</mml:mi>
</mml:msubsup>
<mml:annotation encoding="application/x-tex">\mathcal {L}_D^\theta</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
. Informally, this field is a signed version of the local time of
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="script upper L Subscript upper D Superscript theta">
<mml:semantics>
<mml:msubsup>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi class="MJX-tex-caligraphic" mathvariant="script">L</mml:mi>
</mml:mrow>
<mml:mi>D</mml:mi>
<mml:mi>
θ
</mml:mi>
</mml:msubsup>
<mml:annotation encoding="application/x-tex">\mathcal {L}_D^\theta</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
to the power
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="1 minus theta">
<mml:semantics>
<mml:mrow>
<mml:mn>1</mml:mn>
<mml:mo>
−
</mml:mo>
<mml:mi>
θ
</mml:mi>
</mml:mrow>
<mml:annotation encoding="application/x-tex">1-\theta</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
. When
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="theta equals 1 slash 2">
<mml:semantics>
<mml:mrow>
<mml:mi>
θ
</mml:mi>
<mml:mo>=</mml:mo>
<mml:mn>1</mml:mn>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mo>/</mml:mo>
</mml:mrow>
<mml:mn>2</mml:mn>
</mml:mrow>
<mml:annotation encoding="application/x-tex">\theta = 1/2</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
,
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="h Subscript theta">
<mml:semantics>
<mml:msub>
<mml:mi>h</mml:mi>
<mml:mi>
θ
</mml:mi>
</mml:msub>
<mml:annotation encoding="application/x-tex">h_\theta</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
is a Gaussian free field (GFF) in
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper D">
<mml:semantics>
<mml:mi>D</mml:mi>
<mml:annotation encoding="application/x-tex">D</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
.
</p>
<p>
Our construction of
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="h Subscript theta">
<mml:semantics>
<mml:msub>
<mml:mi>h</mml:mi>
<mml:mi>
θ
</mml:mi>
</mml:msub>
<mml:annotation encoding="application/x-tex">h_\theta</mml:annotation>
</mml:semantics>
</mml:math>
</inline-formula>
relies on the multiplicative chaos
<inline-formula content-type="math/mathml">
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="script upper M Subscript gamma">
<mml:semantics>
<mml:msub>
<mml:mrow class="MJX-TeXAtom-ORD">
<mml:mi class="MJX-tex-caligraphic" mathvariant="script">M</mml:mi>
</mml:mrow>
<mml:mi>
A. Jego, Titus Lupu, Wei Qian
· Memoirs of the American Math... · 0 citations
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