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We classify Artin-Schreier extensions of valued fields with non-trivial defect according to whether they are connected with purely inseparable extensions with non-trivial defect, or not. We use this classification to show that in positive…

Commutative Algebra · Mathematics 2013-04-02 Franz-Viktor Kuhlmann

These are the lecture notes for a course at the Summer School on "Applied Analysis" at the Technical University Chemnitz in September 2011. We start with the definition of a fractal algebra and show that the fractal property is enormously…

Operator Algebras · Mathematics 2011-10-07 Steffen Roch

One distinguishing feature of rational curves is that they have algebraic parameterizations. Arc spaces are a way of describing approximations to parameterizations of all curves in some fixed space. Playing on these descriptions, this paper…

Algebraic Geometry · Mathematics 2007-05-23 Zachary Treisman

We consider a weighted family of $n$ parallelly transported hyperplanes in a $k$-dimensioinal affine space and describe the characteristic variety of the Gauss-Manin differential equations for associated hypergeometric integrals. The…

Algebraic Geometry · Mathematics 2016-08-31 Alexander Varchenko

We consider the extension of two variable logic with quantifiers that state that the number of elements where a formula holds should belong to a given ultimately periodic set. We show that both satisfiability and finite satisfiability of…

Logic in Computer Science · Computer Science 2024-04-05 Michael Benedikt , Egor V. Kostylev , Tony Tan

A classification of upper semicontinuous, translation and dually epi-translation invariant valuations is established on the space of convex Lipschitz function on $\mathbb{R}$ with compact domain.

Functional Analysis · Mathematics 2025-10-08 Fernanda M. Baêta

We call a local homeomorphism $f: (R^n,0)\to(R^n,0)$ blow-analytic if it becomes real analytic after composing with a finite number blowings-up with smooth nowhere dense centers. If the graph of $f$ is semi-algebraic then, by a theorem of…

Algebraic Geometry · Mathematics 2010-03-04 Toshizumi Fukui , Krzysztof Kurdyka , Adam Parusiński

We investigate the tricritical Ising model in complex magnetic field in order to characterize the analytic structure of its free energy. By supplementing analytic methods with the truncation of conformal space technique we obtain…

High Energy Physics - Theory · Physics 2014-11-18 Alessandro Mossa , Giuseppe Mussardo

We ask when a finite set of t-structures in a triangulated category can be `averaged' into one t-structure or, equivalently, when the extension closure of a finite set of aisles is again an aisle. There is a straightforward, positive answer…

Representation Theory · Mathematics 2012-09-25 Nathan Broomhead , David Pauksztello , David Ploog

In 2013, Lee, Li, and Zelevinsky introduced combinatorial objects called compatible pairs to construct the greedy bases for rank-2 cluster algebras, consisting of indecomposable positive elements including the cluster monomials.…

Combinatorics · Mathematics 2024-09-24 Amanda Burcroff , Kyungyong Lee , Lang Mou

We prove the Categorified Wrapping Number Conjecture for large classes of annular links, including alternating annular links and tangle closures exhibiting plumbed link phenomena. We do so by characterizing when a resolution is sufficient…

Geometric Topology · Mathematics 2025-01-07 Benjamin Daniels , Melissa Zhang

We analyse the strong connections between spaces of vector-valued Lipschitz functions and spaces of linear continuous operators. We apply these links to study duality, Schur properties and norm attainment in the former class of spaces as…

Functional Analysis · Mathematics 2016-07-20 Luis García-Lirola , Colin Petitjean , Abraham Rueda Zoca

This paper develops various foundational results in the locally analytic representation theory of p-adic groups. In particular, we define the functor ``pass to locally analytic vectors'', which attaches to any continuous representation of a…

Representation Theory · Mathematics 2007-05-23 Matthew Emerton

New identities on traces of representations of the Hecke algebra on the spaces of paths on graphs are presented. These identities are relevant in the computation of partition functions with fixed boundary conditions and of two-point…

q-alg · Mathematics 2009-10-30 S. Loesch , Y-K Zhou , J-B Zuber

To a higher rank directed graph $(\Lambda, d)$, in the sense of Kumjian and Pask, one can associate natural noncommutative analytic Toeplitz algebras, both weakly closed and norm closed. We introduce methods for the classification of these…

Operator Algebras · Mathematics 2007-05-23 Stephen C Power

After a brief review of the historical role of analyticity in the study of critical phenomena, an account is given of recent discoveries of discretely holomorphic observables in critical two-dimensional lattice models. These are objects…

Statistical Mechanics · Physics 2015-05-13 John Cardy

The actor-critic (AC) framework has achieved strong empirical success in off-policy reinforcement learning but suffers from the "moving target" problem, where the evaluated policy changes continually. Functional critics, or…

Machine Learning · Computer Science 2026-02-10 Qinxun Bai , Yuxuan Han , Wei Xu , Zhengyuan Zhou

Several spectra of analytically Riesz operators will be characterized. These results will led to prove Weyl and Browder type theorems for the aforementioned class of operators.

Functional Analysis · Mathematics 2015-07-21 Enrico Boasso

T-convergence groups is a natural extension of lattice-valued topological groups, which is a newly introduced mathematical structure. In this paper, we will further explore the theory of T-convergence groups. The main results include: (1)…

Logic · Mathematics 2024-09-10 Lingqiang Li , Qiu Jin

This is the second installment of a series of papers aimed at developing a theory of Hrushovski-Kazhdan style motivic integration for certain types of nonarchimedean $o$-minimal fields, namely power-bounded $T$-convex valued fields, and…

Logic · Mathematics 2018-08-23 Yimu Yin