English
Related papers

Related papers: Cancellations for Circle-valued Morse Functions vi…

200 papers

One of the major science goals of the Visible Emission Line Coronagraph (VELC) payload aboard the Aditya-L1 mission is to map the coronal magnetic field topology and the quantitative estimation of longitudinal magnetic field on routine…

Instrumentation and Methods for Astrophysics · Physics 2021-09-22 K. Nagaraju , B. Raghavendra Prasad , Bhavana S. Hegde , Suresh Venkata Narra , D. Utkarsha , Amit Kumar , Jagdev Singh , Varun Kumar

Modular Graph Functions (MGFs) are SL(2,$\mathbb{Z}$)-invariant functions that emerge in the study of the low-energy expansion of the one-loop closed string amplitude. To find the string scattering amplitude, we must integrate MGFs over the…

High Energy Physics - Theory · Physics 2024-07-08 Mehregan Doroudiani

A conjecture is proposed concerning the recovery of a discrete magnitude spectrum through a nonlinear transformation involving the Newman's phase sequence. Given a discrete magnitude spectrum sampled from a continuous function, consider the…

Optimization and Control · Mathematics 2025-09-16 Shravan Mohan

We obtain rigidity and gluing results for the Morse complex of a real-valued Morse function as well as for the Novikov complex of a circle-valued Morse function. A rigidity result is also proved for the Floer complex of a hamiltonian…

Algebraic Topology · Mathematics 2007-05-23 Octav Cornea , Andrew Ranicki

The recently-discovered polar codes are seen as a major breakthrough in coding theory; they provably achieve the theoretical capacity of discrete memoryless channels using the low complexity successive cancellation (SC) decoding algorithm.…

Hardware Architecture · Computer Science 2015-03-19 Camille Leroux , Alexandre J. Raymond , Gabi Sarkis , Ido Tal , Alexander Vardy , Warren J. Gross

We study the slice filtration and associated spectral sequence for a family of $RO(C_{p^{n}})$-graded suspensions of the Eilenberg-MacLane spectrum for the constant Mackey functor $\underline{\mathbb Z}$. Since $H\underline{\mathbb Z}$ is…

Algebraic Topology · Mathematics 2015-10-22 Michael A. Hill , Michael J. Hopkins , Douglas C. Ravenel

A method to separate a Slater determinant wave function with a two-center neck structure into spatially localized subsystems is proposed, and its potential applications are presented. An orthonormal set of spatially localized…

Nuclear Theory · Physics 2012-09-03 Yasutaka Taniguchi , Yoshiko Kanada-En'yo

Modal identification is crucial for structural health monitoring and structural control, providing critical insights into structural dynamics and performance. This study presents a novel deep learning framework that integrates graph neural…

Computational Engineering, Finance, and Science · Computer Science 2026-04-22 Xudong Jian , Kiran Bacsa , Gregory Duthé , Eleni Chatzi

Blind factor recovery follows from the principle that the signal of variables exclusive to a factor can be combined in a contrast (weighted sum) that cancels their factor contributions, leaving only a compound of the variables unique…

Methodology · Statistics 2025-01-15 André Achim

Efficient clutter filtering for pulsed radar systems remains an open issue when employing pulse-to-pulse modulation and irregular pulse interval waveforms within the coherent processing interval. The range and Doppler domain should be…

Signal Processing · Electrical Eng. & Systems 2023-02-21 Pepijn B. Cox , Mario A. Coutino , Wim L. van Rossum

We present a theoretical background for the data analysis of the gravitational-wave signals from spinning neutron stars for Earth-based laser interferometric detectors. We introduce a detailed model of the signal including both the…

General Relativity and Quantum Cosmology · Physics 2009-12-30 Piotr Jaranowski , Andrzej Królak , Bernard F. Schutz

Scaling features of the nuclear electromagnetic response functions unveil aspects of nuclear dynamics that are crucial for interpretating neutrino- and electron-scattering data. In the large momentum-transfer regime, the nucleon-density…

Nuclear Theory · Physics 2018-04-04 J. E. Sobczyk , N. Rocco , A. Lovato , J. Nieves

In this literature, we carefully investigate the structure of single- and multi-frequency imaging functions, that are usually employed in inverse scattering problems. Based on patterns of the singular vectors of the Multi-Static Response…

Mathematical Physics · Physics 2013-04-04 Young Deuk Jo , Young Mi Kwon , Joo Young Huh , Won-Kwang Park

Fractal behaviour, i.e. scale invariance in spatio-temporal dynamics, have been found to describe and model many systems in nature, in particular fluid mechanics and geophysical related geometrical objects, like the convective boundary…

Solar and Stellar Astrophysics · Physics 2018-09-19 S. de Franciscis , J. Pascual-Granado , J. C. Suárez , A. García Hernández , R. Garrido

We consider a mathematical model of synthetic aperture radar (SAR) with a known, possibly non-flat, topography. In this context we consider the problem of recovering the wavefront set of the ground reflectivity, given radar data measured…

Analysis of PDEs · Mathematics 2015-06-18 Andrew Homan

We propose a simple method to deconvolute NMR spectra of quadrupolar nuclei in order to separate the distribution of local magnetic hyperfine field from the quadrupole splitting. It is based on an iterative procedure which allows to express…

Strongly Correlated Electrons · Physics 2013-07-09 Mila Frederic , Takigawa Masashi

We investigate the spectrum of differentiation matrices for certain operators on the sphere that are generated from collocation at a set of scattered points $X$ with positive definite and conditionally positive definite kernels. We focus on…

Numerical Analysis · Mathematics 2023-12-27 Thomas Hangelbroek , Christian Rieger , Grady Wright

The orbital decay of a perturber within a larger system plays a key role in the dynamics of many astrophysical systems -- from nuclear star clusters or globular clusters in galaxies, to massive black holes in galactic nuclei, to dwarf…

Astrophysics of Galaxies · Physics 2021-08-04 Tomas Tamfal , Lucio Mayer , Thomas R. Quinn , Pedro R. Capelo , Stelios Kazantzidis , Arif Babul , Douglas Potter

We employ Mittag-Leffler type kernels to solve a system of fractional differential equations using fractal-fractional (FF) operators with two fractal and fractional orders. Using the notion of FF-derivatives with nonsingular and nonlocal…

Dynamical Systems · Mathematics 2024-06-21 Tanzeela Kanwal , Azhar Hussain , İbrahim Avcı , Sina Etemad , Shahram Rezapour , Delfim F. M. Torres

Feedrate scheduling is a key step in computer numerical control (CNC) machining, as it has a close relationship with machining time and surface quality, and has now become a hot issue in industry and academia. To reduce high chord errors…

Systems and Control · Electrical Eng. & Systems 2021-03-29 Yifei Hu , Xin Jiang , Guanying Huo , Cheng Su , Bolun Wang , Hexiong Li , Zhiming Zheng