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Let $M$ be a smooth compact $CR$ manifold of $CR$ dimension $n$ and $CR$ codimension $k$, which has a certain local extension property $E$. In particular, if $M$ is pseudoconcave, it has property $E$. Then the field $\Cal K(M)$ of $CR$…

Complex Variables · Mathematics 2007-10-29 C. Denson Hill , Mauro Nacinovich

In analysis, it's often useful to know the value of a function at infinity, this operation possesses pleasant properties. However, even when the limit does not exist, some intuitive considerations may suggest that the function still assumes…

Complex Variables · Mathematics 2024-03-12 Vladimir Shemyakov

Integral properties of multifunctions with closed convex values are studied. In this more general framework not all the tools and the technique used for weakly compact convex valued multifunctions work. We pay particular attention to the…

Functional Analysis · Mathematics 2019-12-16 Domenico Candeloro , Luisa Di Piazza , Kazimierz Musial , Anna Rita Sambucini

A Daniell-Stone type characterization theorem for Aumann integrals of set-valued measurable functions will be proven. It is assumed that the values of these functions are closed convex upper sets, a structure that has been used in some…

Functional Analysis · Mathematics 2017-01-27 Çağın Ararat , Birgit Rudloff

We present a simplified integral of functions of several variables. Although less general than the Riemann integral, most functions of practical interest are still integrable. On the other hand, the basic integral theorems can be obtained…

Classical Analysis and ODEs · Mathematics 2007-12-05 Ágnes M. Backhausz , Vilmos Komornik , Tivadar Szilágyi

Functional integrals are defined in terms of locally compact topological groups and their associated Banach-valued Haar integrals. This approach generalizes the functional integral scheme of Cartier and DeWitt-Morette. The definition allows…

Mathematical Physics · Physics 2015-01-08 J. LaChapelle

Considering the Cauchy problem for the modified finite-depth-fluid equation $\partial_tu-\G_\delta(\partial_x^2u)\mp u^2u_x=0, u(0)=u_0$, where $\G_\delta f=-i \ft ^{-1}[\coth(2\pi \delta \xi)-\frac{1}{2\pi \delta \xi}]\ft f$, $\delta\ges…

Analysis of PDEs · Mathematics 2008-09-16 Zihua Guo , Baoxiang Wang

In this paper, we establish the convergence of Feynman graph integrals on closed real-analytic K\"ahler manifolds and uncover the structural mechanism underlying this convergence. The key insight is that, using Getzler's rescaling…

Mathematical Physics · Physics 2025-11-18 Minghao Wang , Junrong Yan

A remarkable theorem of Besicovitch is that an integrable function $f$ on $\mathbb{R}^2$ is strongly differentiable if and only if its associated strong maximal function $M_S f$ is finite a.e. We provide an analogue of Besicovitch's result…

Classical Analysis and ODEs · Mathematics 2019-10-22 Paul Hagelstein , Daniel Herden , Alexander Stokolos

In this paper we prove a number of results concerning uniqueness of a meromorphic function as well as its derivative sharing one or two sets. In particular, we deal with the specific question raised in [18], [19], [20] and ultimately…

Complex Variables · Mathematics 2022-09-15 Abhijit Banerjee , Bikash Chakraborty

Let $G$ be a 1-connected Banach-Lie group or, more generally, a BCH--Lie group. On the complex enveloping algebra $U_\C(\g)$ of its Lie algebra $\g$ we define the concept of an analytic functional and show that every positive analytic…

Representation Theory · Mathematics 2010-10-13 Karl-Hermann Neeb

In this article we prove that every germ of analytic meromorphic function at $(\mathbb{C}^{2},0)$ is equivalent, under the right composition by a germ of biholomorphism, to a germ of algebraic meromorphic function. An analogous result is…

Complex Variables · Mathematics 2023-05-04 Yohann Genzmer , Rogério Mol

We consider meromorphic transforms given by meromorphic kernels and study their asymptotic expansions under a certain rescaling. Under decay assumptions we establish the full asymptotic expansion in the rescaling parameter of these…

Quantum Algebra · Mathematics 2020-12-22 Jørgen Ellegaard Andersen

It is well known that there is an integral theorem for quaternion-valued functions analogous to Cauchys Theorem for complex-valued functions, namely Fueters Theorem. The class of quaternionic functions for which this applies are generally…

Complex Variables · Mathematics 2023-05-31 R. A. W. Bradford

The interrelation between analytic functions and real-valued functions is formulated in the work. It is shown such an interrelation realizes nonlinear representations for real-valued functions that allows to develop new methods of…

Mathematical Physics · Physics 2021-06-01 Asset Durmagambetov

The Cauchy integral formula in Clifford analysis allows us to associate a holomorphic function $\tilde f:L_n\to \C$ on the Lie ball $L_n$ in $\C^n$ with its monogenic counterpart $f:B_1(0)\to \C^{n+1}$ via the formula $\tilde f(z) =…

Complex Variables · Mathematics 2023-03-14 Brian Jefferies

We define L-functions for meromorphic modular forms that are regular at cusps, and use them to: (i) find new relationships between Hurwitz class numbers and traces of singular moduli, (ii) establish predictions from the physics of…

High Energy Physics - Theory · Physics 2019-02-20 David A. McGady

We extend the theory of Euler integration from the class of constructible functions to that of "tame" real-valued functions (definable with respect to an o-minimal structure). The corresponding integral operator has some unusual defects (it…

General Topology · Mathematics 2015-05-14 Y. Baryshnikov , R. Ghrist

Using the notion of order convergent nets, we develop an order-theoretic approach to differentiable functions on Archimedean complex $\Phi$-algebras. Most notably, we improve the Cauchy-Hadamard formulas for universally complete complex…

Functional Analysis · Mathematics 2022-11-28 Mark Roelands , Christopher Michael Schwanke

Let the metric space $\mathbb R^n \setminus \sim$ be the metric space of $n$-sized unordered tuples of real numbers. In the following, it will be shown that if a function $\varphi: \mathbb R^m \to \mathbb R^n \setminus \sim$ is continuous,…

Metric Geometry · Mathematics 2014-06-24 Adrian Fellhauer