Publications (121)
Spin transport and accumulation in the persistent photoconductor AlGaAs
Jennifer Misuraca, Joon-Il Kim, Jun Lu +6
Electrical spin transport and accumulation have been measured in highly Si doped Al0.3Ga0.7As utilizing a lateral spin transport device. Persistent photoconductivity allows for the…
An Equivalence of Fully Connected Layer and Convolutional Layer
Wei Ma, Jun Lu
This article demonstrates that convolutional operation can be converted to matrix multiplication, which has the same calculation way with fully connected layer. The article is help…
Critical Current Longitudinal and Transverse Strain Sensitivities of High JC Nb3Sn Conductors
Jun Lu, Ke Han, Robert P. Walsh +2
Characterizing critical current IC of Nb3Sn strands as function of a strain is very important for large high field superconducting magnet applications such as the superconducting o…
ab-plane tilt angles in REBCO conductors
Jun Lu, Yan Xin, Yifei Zhang +1
Critical current (Ic) of REBCO tapes is strongly aniso-tropic with respect to the orientation of the magnetic field. Usually, Ic is at maximum when the ab-plane of the REBCO crysta…
Verification Testing of MQXFA Nb3Sn Wires Procured Under LARP
Jeremy Levitan, Jun Lu, Vito Lombardo +1
The High-Luminosity LHC Accelerator Upgrade Project (AUP) in the U.S. will construct quadrupole magnets to be delivered to CERN. An initial 3 tons, over 600 km total length of cond…
Multielemental single-atom-thick A layers in nanolaminated V2(Sn, A)C (A=Fe, Co, Ni, Mn) for tailoring magnetic properties
Youbing Li, Jun Lu, Mian Li +11
Tailoring of individual single-atom-thick layers in nanolaminated materials offers atomic-level control over material properties. Nonetheless, multielement alloying in individual a…
Influence of Si doping and O2-flow on arc deposited (Al,Cr)2O3 coatings
Ludvig Landälv, Emmanuelle Göthelid, Jens Jensen +6
(Al,Cr)2O3 coatings with Al/(Al+Cr) = 0.5 or Al = 70 at.%, doped with 0, 5 or 10 at.% Si, were deposited on hard metal and Si(100) substrates to elucidate the influence of Si on th…
Fidelity-Guarantee Entanglement Routing in Quantum Networks
Jian Li, Mingjun Wang, Qidong Jia +4
Entanglement routing establishes remote entanglement connection between two arbitrary nodes, which is one of the most important functions in quantum networks. The existing routing…
Feature screening for multi-response linear models by empirical likelihood
Jun Lu, Qinqin Hu, Lu Lin
This paper proposes a new feature screening method for the multi-response ultrahigh dimensional linear model by empirical likelihood. Through a multivariate moment condition, the e…
Study of delamination in REBCO coated conductor by transmission electron microscopy
Yan Xin, Jun Lu, Ke Han
Delamination strength of REBCO is very important for its applications in large magnet projects. This work presented the transmission electron microscopy (TEM) investigation of the…
Canonical Class Inequality for Fibred Spaces
Jun Lu, Sheng-Li Tan, Kang Zuo
We establish the canonical class inequality for families of higher dimensional projective manifolds. As an application, we get a new inequality between the Chern numbers of 3-folds…
Bayesian Matrix Decomposition and Applications
Jun Lu
The sole aim of this book is to give a self-contained introduction to concepts and mathematical tools in Bayesian matrix decomposition in order to seamlessly introduce matrix decom…
Large Language Model Compression via the Nested Activation-Aware Decomposition
Jun Lu, Tianyi Xu, Bill Ding +2
In this paper, we tackle the critical challenge of compressing large language models (LLMs) to facilitate their practical deployment and broader adoption. We introduce a novel post…
Fast-speed and low-power-consumption optical phased array based on thin-film lithium niobate platform
Zhizhang Wang, Xueyun Li, Jitao Ji +7
Fast scanning-speed and low-power-consumption are becoming progressively more and more important in realizing high-performance chiplet optical phased arrays (OPAs). Here, we establ…
Recursively Conditional Gaussian for Ordinal Unsupervised Domain Adaptation
Xiaofeng Liu, Site Li, Yubin Ge +3
The unsupervised domain adaptation (UDA) has been widely adopted to alleviate the data scalability issue, while the existing works usually focus on classifying independently discre…
Compositional dependence of epitaxial Tin+1SiCn MAX-phase thin films grown from a Ti3SiC2 compound target
Martin Magnusona, Lina Tengdelius, Grzegorz Greczynski +7
We investigate sputtering of a Ti3SiC2 compound target at temperatures ranging from RT (no applied external heating) to 970 oC as well as the influence of the sputtering power at 8…
ChessMamba: Structure-Aware Interleaving of State Spaces for Change Detection in Remote Sensing Images
Lei Ding, Tong Liu, Xuanguang Liu +3
Change detection (CD) in multitemporal remote sensing imagery presents significant challenges for fine-grained recognition, owing to heterogeneity and spatiotemporal misalignment.…
Robust Bayesian Nonnegative Matrix Factorization with Implicit Regularizers
Jun Lu, Christine P. Chai
We introduce a probabilistic model with implicit norm regularization for learning nonnegative matrix factorization (NMF) that is commonly used for predicting missing values and fin…
Contact resistance between two REBCO tapes under load and load-cycles
Jun Lu, Robert Goddard, Ke Han +1
No-insulation (NI) REBCO magnets have many advantages. They are self-protecting, therefore do not need quench detection and protection which can be very challenging in a high Tc su…
DAMS:Dual-Branch Adaptive Multiscale Spatiotemporal Framework for Video Anomaly Detection
Dezhi An, Wenqiang Liu, Kefan Wang +3
The goal of video anomaly detection is tantamount to performing spatio-temporal localization of abnormal events in the video. The multiscale temporal dependencies, visual-semantic…
Thermal conductivity of REBCO tapes with different stabilizers from 4.2 to 200 K
Jun Lu, Yan Xin, Yifei Zhang
REBCO coated conductor is a high temperature superconductor that has a wide range of applications, one of which is the current leads of magnet systems. In the design of current lea…
REBCO delamination by transverse electromagnetic stress due to screening current in magnetic field
Jun Lu, Jeremy Levitan, Yu Suetomi +2
REBCO coated conductor has great potential to be used in ultra-high field magnets. Commercial REBCO tapes are strong in the longitudinal direction but prone to delamination by tens…
MICROSTRUCTURE OF Glidcop AL-60
Yan Xin, Jun Lu, Ke Han
Glidcop is an oxide-particle-dispersion strengthened copper composite that has a combination of high mechanical strength and high electrical conductivity. It has been used as a con…
Solid-state Janus nanoprecipitation enables amorphous-like heat conduction in crystalline Mg3Sb2-based thermoelectric materials
Rui Shu, Zhijia Han, Anna Elsukova +12
Solid-state precipitation can be used to tailor materials properties, ranging from ferromagnets and catalysts to mechanical strengthening and energy storage. Thermoelectric propert…
Oxygen out-diffusion in REBCO coated conductor due to heating
Jun Lu, Yan Xin, Brent Jarvis +1
Rare earth barium copper oxide (REBCO) coated conductor has emerged as one of the high Tc superconductors suitable for future ultrahigh field superconducting magnet applications. I…
ac strain based thermodynamic criterion for vortex lattice in type-II superconductors
Peipei Lu, Mengju Yuan, Jing Zhang +17
In type-I superconductors, zero electrical resistivity and perfect diamagnetism define two fundamental criteria for superconducting behavior. In contrast, type-II superconductors e…
Addressing Positivity Violations in Extending Inference to a Target Population
Jun Lu, Sanjib Basu
Enhancing the external validity of trial results is essential for their applicability to real-world populations. However, violations of the positivity assumption can limit both the…
Physico-thermal and geochemical behavior and alteration of the Au indicator gangue hydrothermal quartz at the Kubi Gold Ore Deposits
Gabriel K. Nzulu, Lina Rogström, Jun Lu +4
Altered and gangue quartz in hydrothermal veins from the Kubi Gold deposit in Dunkwa on Offin in the central region of Ghana are investigated for possible Au-associated indicator m…
Revisit the Fundamental Theorem of Linear Algebra
Jun Lu
This survey is meant to provide an introduction to the fundamental theorem of linear algebra and the theories behind them. Our goal is to give a rigorous introduction to the reader…
Effect of ion-implantation-induced defects and Mg dopants on thermoelectric properties of ScN
Nina Tureson, Marc Marteau, Thierry Cabioch +10
For applications in energy harvesting, environmentally friendly cooling, and as power sources in remote or portable applications, it is desired to enhance the efficiency of thermoe…
Reducing over-clustering via the powered Chinese restaurant process
Jun Lu, Meng Li, David Dunson
Dirichlet process mixture (DPM) models tend to produce many small clusters regardless of whether they are needed to accurately characterize the data - this is particularly true for…
Identity-aware Facial Expression Recognition in Compressed Video
Xiaofeng Liu, Linghao Jin, Xu Han +3
This paper targets to explore the inter-subject variations eliminated facial expression representation in the compressed video domain. Most of the previous methods process the RGB…
Liquid-Gas Coexistence and Critical Behavior in Boxed Pseudo-Fermi Matter
Jan Tõke, Jun Lu, W. Udo Schröder
A schematic model is presented that allows one to study the behavior of interacting pseudo-Fermi matter locked in a thermostatic box. As a function of the box volume and temperatur…
Halogenated MXenes with Electrochemically Active Terminals for High Performance Zinc Ion Batteries
Mian Li, XinLiang Li, Guifang Qin +12
The class of two-dimensional metal carbides and nitrides known as MXenes offer a distinct manner of property tailoring for a wide range of applications. The ability to tune the sur…
Effects of Wax Impregnation on Contact Resistivity Between REBCO Tapes
Jeremy W. Levitan, Jun Lu, Brent Jarvis +1
Advances on no-insulation REBCO coil technology has made understanding and controlling contact resistivity increasingly im-portant. Praffin (wax) impregnation is a process that has…
Nondestructive testing of high strength conductors for high field pulsed magnets
Jun Lu, Todd Adkins, Iain Dixon +2
High field pulsed magnets at the NHMFL use high strength conductor wires up to 90% of their ultimate tensile strength. Therefore it is very important to ensure that the wires are f…
Constraining Pseudo-label in Self-training Unsupervised Domain Adaptation with Energy-based Model
Lingsheng Kong, Bo Hu, Xiongchang Liu +3
Deep learning is usually data starved, and the unsupervised domain adaptation (UDA) is developed to introduce the knowledge in the labeled source domain to the unlabeled target dom…
AdaSmooth: An Adaptive Learning Rate Method based on Effective Ratio
Jun Lu
It is well known that we need to choose the hyper-parameters in Momentum, AdaGrad, AdaDelta, and other alternative stochastic optimizers. While in many cases, the hyper-parameters…
Matrix Decomposition and Applications
Jun Lu
In 1954, Alston S. Householder published Principles of Numerical Analysis, one of the first modern treatments on matrix decomposition that favored a (block) LU decomposition-the fa…
Characterization of NbTi wires for the electron-ion collider project
Jun Lu, Jeremy Levitan Noah Gavin, Aniket Ingrole +3
The Electron-Ion Collider (EIC) is a proposed machine to explore the behaviour of the fundamental particles and forces that bind atomic nuclei together. The design and construction…
Bayesian Low-Rank Interpolative Decomposition for Complex Datasets
Jun Lu
In this paper, we introduce a probabilistic model for learning interpolative decomposition (ID), which is commonly used for feature selection, low-rank approximation, and identifyi…
A survey on Bayesian inference for Gaussian mixture model
Jun Lu
Clustering has become a core technology in machine learning, largely due to its application in the field of unsupervised learning, clustering, classification, and density estimatio…
Inequalities between the Chern numbers of a singular fiber in a family of algebraic curves
Jun Lu, Sheng-Li Tan
In a family of curves, the Chern numbers of a singular fiber are the local contributions to the Chern numbers of the total space. We will give some inequalities between the Chern n…
Low-Rank Approximation, Adaptation, and Other Tales
Jun Lu
Low-rank approximation is a fundamental technique in modern data analysis, widely utilized across various fields such as signal processing, machine learning, and natural language p…
High-Fidelity Hole Spin Qubits Reveal Quadrupolar Nuclear-Bath Dynamics in Isotopically Purified Planar Germanium
Jian Zeng, Xiangjun Tan, Hongzhang Wang +10
Planar Germanium has emerged as a promising platform to build spin-based large scale quantum computers. By exploiting the anisotropic hyperfine interaction of holes in Ge, qubits w…
Element Replacement Approach by Reaction with Lewis Acidic Molten Salts to Synthesize Nanolaminated MAX Phases and MXenes
Mian Li, Jun Lu, Kan Luo +12
Nanolaminated materials are important because of their exceptional properties and wide range of applications. Here, we demonstrate a general approach to synthesize a series of Zn-b…
Near-Room-Temperature Ferromagnetic Behavior of Single-Atom-Thick 2D Iron in Nanolaminated Ternary MAX Phases
Youbing Li, Jinghua Liang, Haoming Ding +13
Two dimensional (2D) ferromagnetic materials have attracted much attention in the fields of condensed matter physics and materials science, but their synthesis is still a challenge…
Magnetic susceptibility, phonons and dielectric constant of single crystalline BiFeO3
Jun Lu, M Schmidt, P Lunkenheimer +4
The magnetic susceptibility between 1.5 and 800 K, the infrared reflectivity at room temperature and the temperature dependence of the dielectric constant at mm-wavelengths are rep…
CompNet: Neural networks growing via the compact network morphism
Jun Lu, Wei Ma, Boi Faltings
It is often the case that the performance of a neural network can be improved by adding layers. In real-world practices, we always train dozens of neural network architectures in p…
Contact resistivity due to oxide layers between two REBCO tapes
Jun Lu, Yan Xin, Eric Lochner +2
In a no-insulation (NI) REBCO magnet, the turn-to-turn contact resistivity (Rc) determines its quench self-protection capability, charging delay time and the energy loss during fie…
Analysis of magnetization induced error field in superconducting magnets
Jun Lu
The field error due to magnetization of superconductors in a superconducting magnet can significantly compromise the field homogeneity which is extremely important for NMR magnets.…
Distributed Memory Approximate Message Passing
Jun Lu, Lei Liu, Shunqi Huang +2
Approximate message passing (AMP) algorithms are iterative methods for signal recovery in noisy linear systems. In some scenarios, AMP algorithms need to operate within a distribut…
SYSFLOW: Efficient Execution Platform for IoT Devices
Jun Lu, Zhenya Ma, Yinggang Gao +2
Traditional executable delivery models pose challenges for IoT devices with limited storage, necessitating the download of complete executables and dependencies. Network solutions…
Towards the Complete Relational Graph of Fundamental Circuit Elements
Dashan Shang, Yisheng Chai, Zexian Cao +2
A complete and harmonized fundamental circuit relational graph with four linear and four memory elements is constructed based on newly defined elements, which provides a guide to d…
Crystallization characteristics and chemical bonding properties of nickel carbide thin film nanocomposites
Andrej Furlan, Jun Lu, Lars Hultman +2
The crystal structure and chemical bonding of magnetron-sputtering deposited nickel carbide NiC (0.05x0.62) thin films have been investigated by high-reso…
A Hybrid Approach on Conditional GAN for Portfolio Analysis
Jun Lu, Danny Ding
Over the decades, the Markowitz framework has been used extensively in portfolio analysis though it puts too much emphasis on the analysis of the market uncertainty rather than on…
Energy-constrained Self-training for Unsupervised Domain Adaptation
Xiaofeng Liu, Bo Hu, Xiongchang Liu +3
Unsupervised domain adaptation (UDA) aims to transfer the knowledge on a labeled source domain distribution to perform well on an unlabeled target domain. Recently, the deep self-t…
Population games and Discrete optimal transport
Shui-Nee Chow, Wuchen Li, Jun Lu +1
We propose a new evolutionary dynamics for population games with a discrete strategy set, inspired by the theory of optimal transport and Mean field games. The dynamics can be desc…
Comparative Study of Inference Methods for Interpolative Decomposition
Jun Lu
In this paper, we propose a probabilistic model with automatic relevance determination (ARD) for learning interpolative decomposition (ID), which is commonly used for low-rank appr…
Breaking Bottlenecks in Solid Electrolyte Discovery with Large Artificial Intelligence Models
Eric Jianfeng Cheng, Min Hong, Zhiquan Zeng +22
Solid electrolytes (SEs) are central to next-generation metal batteries, yet their discovery remains constrained by fragmented data, limited transferability of simulations, and slo…
Imaging vibrations of locally gated, electromechanical few layer graphene resonators with a moving vacuum enclosure
Heng Lu, Chen Yang, Ye Tian +9
Imaging the vibrations of nanomechanical resonators means measuring their flexural mode shapes from the dependence of their frequency response on in-plane position. Applied to two-…
Residual resistance ratio of Cu stabilizer in commercial REBCO tapes
Jun Lu, Yan Xin, Vince Toplosky +6
Residual resistance ratio (RRR) of Cu stabilizer in REBCO coated conductor is an important design parameter for REBCO magnets. In this work, we measured RRR of electroplated Cu sta…
Synthesis of MAX Phases Nb2CuC and Ti2(Al0.1Cu0.9)N by A-site Replacement Reaction in Molten Salts
Haoming Ding, Youbing Li, Jun Lu +12
New MAX phases Ti2(AlxCu1-x)N and Nb2CuC were synthesized by A-site replacement by reacting Ti2AlN and Nb2AlC, respectively, with CuCl2 or CuI molten salt. X-ray diffraction, scann…
S2C: Learning Noise-Resistant Differences for Unsupervised Change Detection in Multimodal Remote Sensing Images
Lei Ding, Xibing Zuo, Danfeng Hong +4
Unsupervised Change Detection (UCD) in multimodal Remote Sensing (RS) images remains a difficult challenge due to the inherent spatio-temporal complexity within data, and the heter…
48 channels 100-GHz tunable laser by integrating 16 DFB lasers with high wavelength-spacing uniformity
Zhirui Su, Rulei Xiao, Zhenxing Sun +9
We report a 48-channel 100-GHz tunable laser near 1550 nm by integrating 16 DFB lasers. High wavelength-spacing uniformity is guaranteed by the reconstruction-equivalent-chirp tech…
A general Lewis acidic etching route for preparing MXenes with enhanced electrochemical performance in non-aqueous electrolyte
Youbing Li, Hui Shao, Zifeng Lin +14
Two-dimensional carbides and nitrides of transition metals, known as MXenes, are a fast-growing family of 2D materials that draw attention as energy storage materials. So far, MXen…
Subtype-aware Unsupervised Domain Adaptation for Medical Diagnosis
Xiaofeng Liu, Xiongchang Liu, Bo Hu +7
Recent advances in unsupervised domain adaptation (UDA) show that transferable prototypical learning presents a powerful means for class conditional alignment, which encourages the…
Practical Topics in Optimization
Jun Lu
In an era where data-driven decision-making and computational efficiency are paramount, optimization plays a foundational role in advancing fields such as mathematics, computer sci…
DMSA: Dynamic Multi-scale Unsupervised Semantic Segmentation Based on Adaptive Affinity
Kun Yang, Jun Lu
The proposed method in this paper proposes an end-to-end unsupervised semantic segmentation architecture DMSA based on four loss functions. The framework uses Atrous Spatial Pyrami…
A rigorous introduction to linear models
Jun Lu
This book is meant to provide an introduction to linear models and the theories behind them. Our goal is to give a rigorous introduction to the readers with prior exposure to ordin…
A note on VIX for postprocessing quantitative strategies
Jun Lu, Minhui Wu
In this note, we introduce how to use Volatility Index (VIX) for postprocessing quantitative strategies so as to increase the Sharpe ratio and reduce trading risks. The signal from…
A new inequality on the Hodge number of algebraic surfaces
Jun Lu, Sheng-Li Tan, Fei Yu +1
We get a new inequality on the Hodge number of fibred algebraic complex surfaces , which is a generalization of an inequality of Beauville. Our inequality implies t…
The principle of a virtual multi-channel lock-in amplifier and its application to magnetoelectric measurement system
Jun Lu, De-An Pan, Lijie Qiao
This letter presents principles and applications of a virtual multi-channel lock-in amplifier that is a simple but effective method to recover small ac signal from noise with high…
Electronic Structure and Chemical Bonding of Amorphous Chromium Carbide Thin Films
Martin Magnuson, Matilda Andersson, Jun Lu +2
The microstructure, electronic structure, and chemical bonding of chromium carbide thin films with different carbon contents have been investigated with high-resolution transmissio…
Information-theoretic View of Sequence Organization in a Genome
Liaofu Luo, Yang Gao, Jun Lu
Sequence organizations are viewed from two points: one is from informational redundancy or informational correlation (IC) and another is from k-mer frequency statistics. Two proble…
Domain Generalization under Conditional and Label Shifts via Variational Bayesian Inference
Xiaofeng Liu, Bo Hu, Linghao Jin +6
In this work, we propose a domain generalization (DG) approach to learn on several labeled source domains and transfer knowledge to a target domain that is inaccessible in training…
Equilibrium selection via Optimal transport
Shui-Nee Chow, Wuchen Li, Jun Lu +1
We propose a new dynamics for equilibrium selection of finite player discrete strategy games. The dynamics is motivated by optimal transportation, and models individual players' my…
Fine-Grained AI Model Caching and Downloading With Coordinated Multipoint Broadcasting in Multi-Cell Edge Networks
Yang Fu, Peng Qin, Yueyue Zhang +3
6G networks are envisioned to support on-demand AI model downloading to accommodate diverse inference requirements of end users. By proactively caching models at edge nodes, users…
Observation of REBCO delamination in the resistive insulation nested coils
Jun Lu, Iain Dixon, Kwangmin Kim +2
The REBCO coated conductor has the potential to be widely used in ultrahigh field magnets. It is well known, however, that it is not mechanically strong against delamination in the…
Exploring Classic Quantitative Strategies
Jun Lu
The goal of this paper is to debunk and dispel the magic behind the black-box quantitative strategies. It aims to build a solid foundation on how and why the techniques work. This…
A race-DC in Big Data
Lu Lin, Jun Lu
The strategy of divide-and-combine (DC) has been widely used in the area of big data. Bias-correction is crucial in the DC procedure for validly aggregating the locally biased esti…
Subtype-Aware Dynamic Unsupervised Domain Adaptation
Xiaofeng Liu, Fangxu Xing, Jia You +4
Unsupervised domain adaptation (UDA) has been successfully applied to transfer knowledge from a labeled source domain to target domains without their labels. Recently introduced tr…
Improving embedding with contrastive fine-tuning on small datasets with expert-augmented scores
Jun Lu, David Li, Bill Ding +1
This paper presents an approach to improve text embedding models through contrastive fine-tuning on small datasets augmented with expert scores. It focuses on enhancing semantic te…
Chemical-scissor-mediated structural editing of layered transition metal carbides
Haoming Ding, Youbing Li, Mian Li +12
Intercalation of non-van der Waals (vdW) layered materials can produce new 2D and 3D materials with unique properties, but it is difficult to achieve. Here, we describe a structura…
On the room temperature multiferroic BiFeO3: Magnetic, dielectric and thermal properties
Jun Lu, A. Günther, F. Schrettle +7
Magnetic dc susceptibility between 1.5 and 800 K, ac susceptibility and magnetization, thermodynamic properties, temperature dependence of radio and audio-wave dielectric constants…
Frustrated Self-Assembly of Non-Euclidean Crystals of Nanoparticles
Francesco Serafin, Jun Lu, Nicholas Kotov +2
Self-organized complex structures in nature, e.g. viral capsids, hierarchical biopolymers, and bacterial flagella, offer efficiency, adaptability, robustness, and multi-functionali…
Non-d Electric Dipole in FeO bipyramid: a New Resource for Quantum Paraelectrics, Ferroelectrics and Multiferroics
Shi-Peng Shen, Yi-Sheng Chai, Jun-Zhuang Cong +5
Electric polarization in conventional ferroelectric oxides usually involves nonmagnetic transition-metal ions with an empty d shell (the d rule). Here we unravel a new mechanis…
Chiral quantum magnets with optically and catalytically active spin ladders
Bum Chul Park, Sung-Chul Kim, Dae Beom Lee +21
Chiral quantum magnets with spin-states separated by a large energy gap are technologically attractive but difficult to realize. Geometrically frustrated topological states with na…
An Arakelov Inequality in Characteristic p and Upper Bound of p-Rank Zero Locus
Jun Lu, Mao Sheng, Kang Zuo
In this paper we show an Arakelov inequality for semi-stable families of algebraic curves of genus over characteristic with nontrivial Kodaira-Spencer maps. We apply…
Hyperprior on symmetric Dirichlet distribution
Jun Lu
In this article we introduce how to put vague hyperprior on Dirichlet distribution, and we update the parameter of it by adaptive rejection sampling (ARS). Finally we analyze this…
A remark on a conjecture of Schnell
Jun Lu, Wan-Yuan Xu
In this paper, we prove a conjecture of Schnell in the surface case.
Dual camera snapshot hyperspectral imaging system via physics informed learning
Hui Xie, Zhuang Zhao, Jing Han +3
We consider using the system's optical imaging process with convolutional neural networks (CNNs) to solve the snapshot hyperspectral imaging reconstruction problem, which uses a du…
Unified Rules of Renewable Weighted Sums for Various Online Updating Estimations
Lu Lin, Weiyu Li, Jun Lu
This paper establishes unified frameworks of renewable weighted sums (RWS) for various online updating estimations in the models with streaming data sets. The newly defined RWS lay…
Group-Average and Convex Clustering for Partially Heterogeneous Linear Regression
Lu Lin, Jun Lu, Chen Lin
In this paper, a subgroup least squares and a convex clustering are introduced for inferring a partially heterogenous linear regression that has potential application in the areas…
Tunable Wigner Molecules in a Germanium Quantum Dot
Chenggang Yang, Jun Lu, Hongzhang Wang +7
The interplay between Coulomb interactions and kinetic energy underlies many exotic phases in condensed matter physics. In a two-dimensional electronic system, If Coulomb interacti…
Generative Models: Principles, Architectures, and Applications
Jun Lu
Generative AI has emerged as one of the most transformative forces in modern artificial intelligence, reshaping how we create, imagine, and interact with digital content. From phot…
Canonical Models of Adjoint Foliated Structures on Surfaces
Jun Lu, Xiaohang Wu, Shi Xu
In this paper, we study adjoint foliated structures of the form on algebraic surfaces and their minimal and canonical models. We investigate the effective behav…
Insect-Computer Hybrid Speaker: Speaker using Chirp of the Cicada Controlled by Electrical Muscle Stimulation
Yuga Tsukuda, Naoto Nishida, Jun Lu +1
We propose "Insect-Computer Hybrid Speaker", which enables us to make musics made from combinations of computer and insects. Lots of studies have proposed methods and interfaces fo…
Comprehensive characterizing of vortex phases in type-II superconductor YBa2Cu3O7-x by a magnetoelectric technique
Peipei Lu, Jing Zhang, Jun Lu +3
The vortex phases in type-II superconductors are very important since they determine many magnetic and electric properties of the parent compound. However, a universal tool to char…
Generalizable Machine Learning Models for Predicting Data Center Server Power, Efficiency, and Throughput
Nuoa Lei, Arman Shehabi, Jun Lu +4
In the rapidly evolving digital era, comprehending the intricate dynamics influencing server power consumption, efficiency, and performance is crucial for sustainable data center o…