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Multi-stage cathodes are promising candidates for field emission due to the multiplicative effect in local field predicted by the Schottky conjecture and its recent corrected counterpart [J. Vac. Sci. Technol. B 38, 023208 (2020)]. Due to…

Applied Physics · Physics 2021-12-10 Shreya Sarkar , Raghwendra Kumar , Gaurav Singh , Debabrata Biswas

In Hopf-Galois theory, every $H$-Hopf-Galois structure on a field extension $K/k$ gives rise to an injective map $\mathcal{F}$ from the set of $k$-sub-Hopf algebras of $H$ into the intermediate fields of $K/k$. Recent papers on the failure…

Rings and Algebras · Mathematics 2020-11-17 Tony Ezome , Cornelius Greither

Predicting phenomena that mix few-photon quantum optics with strong field nonlinear optics is hindered by the use of separate theoretical formalisms for each regime. We close this gap with a unified effective field theory valid for…

Optics · Physics 2025-12-30 Xiaochen Liu , Ken-Tye Yong

In this paper, we present a multiplier based on a sequence of approximated accumulations. According to a given splitting point of the carry chains, the technique herein introduced allows varying the quality of the accumulations and,…

Hardware Architecture · Computer Science 2021-05-26 Jorge Echavarria , Stefan Wildermann , Oliver Keszocze , Faramarz Khosravi , Andreas Becher , Jürgen Teich

For certain real quadratic fields $K$ with sufficiently small discriminant we produce explicit unit generators for specific ray class fields of $K$ using a numerical method that arose in the study of complete sets of equiangular lines in…

Number Theory · Mathematics 2020-01-13 Marcus Appleby , Steven Flammia , Gary McConnell , Jon Yard

Given a $2$-adic field $K$, we give formulae for the number of totally ramified quartic field extensions $L/K$ with a given discriminant valuation and Galois closure group. We use these formulae to prove a refinement of Serre's mass…

Number Theory · Mathematics 2024-01-23 Sebastian Monnet

The development of a quadratic unitary coupled-cluster singles and doubles (qUCCSD) based self-consistent polarization propagator method is reported. We present a simple strategy for truncating the commutator expansion of the UCC…

Chemical Physics · Physics 2024-06-19 Junzi Liu , Lan Cheng

We describe a version of an algorithm for evolving self-gravitating collections of particles that should be nearly ideal for parallel architectures. Our method is derived from the ``self-consistent field'' (SCF) approach suggested…

Astrophysics · Physics 2016-08-30 Lars Hernquist , Steinn Sigurdsson , Greg L. Bryan

We prove that the number of quartic fields $K$ with discriminant $|\Delta_K|\leq X$ whose Galois closure is $D_4$ equals $CX+O(X^{5/8+\varepsilon})$, improving the error term in a well-known result of Cohen, Diaz y Diaz, and Olivier. We…

Number Theory · Mathematics 2024-05-07 Kevin J. McGown , Amanda Tucker

Let $K$ be an imaginary quadratic field and $p$ be an odd prime number. Let $E/\mathbb{Q}$ be an elliptic curve with good ordinary reduction at $p$. We study the Iwasawa theory of $E$ over the anticyclotomic $\mathbb{Z}_p$-extension of $K$…

Number Theory · Mathematics 2025-10-21 Dac-Nhan-Tam Nguyen , Sujatha Ramdorai

Despite its many advantages, the sensible application of the Hybrid Monte Carlo (HMC) method is often hindered by the presence of large - or even infinite - potential barriers. These potential barriers partition the configuration space into…

Strongly Correlated Electrons · Physics 2025-07-23 Finn Temmen , Evan Berkowitz , Anthony Kennedy , Thomas Luu , Johann Ostmeyer , Xinhao Yu

A new 5-dimensional Classical Unified Field Theory of Kaluza-Klein type is formulated using 2 separate scalar fields which are related in such a way as to make the 5-dimensional matter-geometry coupling parameter constant. It is shown that…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Paulo G. Macedo

Cohen and Lenstra have given a heuristic which, for a fixed odd prime $p$, leads to many interesting predictions about the distribution of $p$-class groups of imaginary quadratic fields. We extend the Cohen-Lenstra heuristic to a…

Number Theory · Mathematics 2014-12-11 Nigel Boston , Michael R. Bush , Farshid Hajir

In this paper we evaluate the performance of Unified Parallel C (which implements the partitioned global address space programming model) using a numerical method that is widely used in fluid dynamics. In order to evaluate the incremental…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-01-06 Martina Prugger , Lukas Einkemmer , Alexander Ostermann

We introduce an efficient stochastic interacting particle-field (SIPF) algorithm with no history dependence for computing aggregation patterns and near singular solutions of parabolic-parabolic Keller-Segel (KS) chemotaxis system in three…

Numerical Analysis · Mathematics 2025-01-22 Zhongjian Wang , Jack Xin , Zhiwen Zhang

Current techniques for formally verifying circuits implemented in Galois field (GF) arithmetic are limited to those with a known irreducible polynomial P(x). This paper presents a computer algebra based technique that extracts the…

Symbolic Computation · Computer Science 2016-12-15 Cunxi Yu , Daniel Holcomb , Maciej Ciesielski

We propose a conjecture extending the classical construction of elliptic units to complex cubic number fields $K$. The conjecture concerns special values of the elliptic gamma function, a holomorphic function of three complex variables…

Number Theory · Mathematics 2023-12-01 Nicolas Bergeron , Pierre Charollois , Luis E. García

This paper is concerned with geometric exponential energy-preserving integrators for solving charged-particle dynamics in a magnetic field from normal to strong regimes. We firstly formulate the scheme of the methods for the system in a…

Numerical Analysis · Mathematics 2021-12-17 Ting Li , Bin Wang

Split-complex fields usually appear in the context of Euclidean supersymmetry. In this paper, we propose that this can be generalized to the non-Euclidean case and that, in fact, the split-complex representation may be the most natural way…

High Energy Physics - Theory · Physics 2011-08-18 Moataz H. Emam

High energy spectra of broad-line blazars can be reproduced by both synchrotron-self-Compton (SSC) models and external-Compton (EC) models. However, as is known from numerical modeling, SSC scenarios require much weaker magnetic field than…

Astrophysics · Physics 2007-05-23 R. Moderski , M. Sikora