Expertini Research Research

Browse Research Papers

3,657+ open-access research outputs.

โœ• Clear
๐Ÿ” michael lambert
Showing 3657 results for "michael lambert"
Mathematics Preprint PDF DOI

A Scale-Shape Dual Newton Method for Entropic Least Squares

Nicholas Barnfield, James V. Burke, Michael P. Friedlander, Tim Hoheisel ยท 2026

We give a damped inexact Newton method for entropy-regularized least-squares on the nonnegative orthant that converges globally at a linear rate with $O(\log\epsilon^{-1})$ iteration complexity, localโ€ฆ

Read Paper โ†’
Mathematics Preprint PDF DOI

Non-symmetrically $t$-affine functions revisited

Tibor Kiss, Dora Koroknai ยท 2026

In 2014, Michal Lewicki and Andrzej Olbry\'s proved that if a real valued function $f$ defined on the real line satisfies the conditional functional equation \[ f(tx + (1-t)y) = t f(x) + (1-t) f(y),\qโ€ฆ

Read Paper โ†’
Mathematics Preprint PDF DOI

Counterexamples to an Extremal Conjecture for Random Cycle-Factors

Rishikesh Gajjala ยท 2026

Christoph, Dragani\'{c}, Gir\~{a}o, Hurley, Michel, and M\"{u}yesser conjectured that, when $d\mid n$, the expected number of cycles in a uniformly random cycle-factor of a directed $d$-regular graph โ€ฆ

Read Paper โ†’
Computer Science Preprint PDF DOI

Slice Agent: Identifying and Isolating Slices in Shared Open Radio Unit

Felipe Arnholda, Flavio Rocha, Lucio Prade, Cristiano Bonato Both ยท 2026

Network Slice as a Service (NSaaS) is a key enabler of Beyond Fifth Generation (5G) and Sixth Generation (6G) networks, supporting next-generation applications such as extended reality (XR), immersiveโ€ฆ

Read Paper โ†’
Mathematics Preprint PDF DOI

Linear recurrences and rational Lambert series

Igor Rivin ยท 2026

For a sequence $\gamma=(\gamma_n)_{n\ge 1}$, define \[ L_\gamma(z):=\sum_{n\ge 1}\gamma_n\frac{z^n}{1-z^n} =\sum_{n\ge 1}\Bigl(\sum_{d\mid n}\gamma_d\Bigr)z^n. \] We prove a short rigidity theorem: ifโ€ฆ

Read Paper โ†’
Mathematics Preprint PDF DOI

Lusztig constants and endoscopy

Wille Liu, Wei-Hsuan Hsin, Cheng-Chiang Tsai ยท 2026

We prove that on a semisimple Lie algebra $\mathfrak{g}$ over a finite field of large characteristic, if a complex-valued invariant function $f$ and its Fourier transform $\hat f$ are both supported iโ€ฆ

Read Paper โ†’
AI & Data Science Preprint PDF DOI

Machine learning and emoji prediction: How much accuracy can MARBERT achieve?

Mohammed Q. Shormani, Ibrahim Abdulmalik Hassan Muneef Y. Alshawsh ยท 2026

This study investigates Machine Learning (ML) in the prediction of emojis in Arabic tweets employing the (state-of-the-art) MARBERT model. A corpus of 11379 CA tweets representing multiple Arabic collโ€ฆ

Read Paper โ†’
Mathematics Preprint PDF DOI

The Mihail-Vazirani conjecture and strong edge-expansion in random $0/1$ polytopes

Micha Christoph, Sahar Diskin, Lyuben Lichev, Benny Sudakov ยท 2026

We study the edge-expansion of the graph of a random $0/1$ polytope $P^d_p$, defined as the convex hull of a random subset of the points in $\{0,1\}^d$ where every point is retained independently and โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Nonlinear Programming of Low-Thrust Multi-Rendezvous Trajectories Using Analytical Hessian

An-Yi Huang, Ya-Zhong Luo ยท 2026

This study presents a fast nonlinear programming algorithm for low-thrust multi-asteroid rendezvous missions. The core contribution is the derivation of analytical formulations for both first- and secโ€ฆ

Read Paper โ†’
AI & Data Science Preprint PDF DOI

And Quiet Does Not Flow the Don: Statistical Analysis of a Quarrel Between Nobel Prize Laureates

Nils Lid Hjort ยท 2026

The Nobel Prize in literature 1965 was awarded Mikhail Sholokhov (1905-1984), for the epic novel Tikhij Don about Cossack life and the birth of a new Soviet society (And Quiet Flows the Don, or The Quโ€ฆ

Read Paper โ†’
Mathematics Preprint PDF DOI

The Steklov spectrum of convex polygonal domains II: investigating spectral determination

Emily B. Dryden, Carolyn Gordon, Javier Moreno, Julie Rowlett, Carlos Villegas-Blas ยท 2026

The extent to which the geometry of an object is determined by some associated spectral data is a longstanding problem. We investigate this problem in the context of the Steklov spectrum, focusing on โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

A Novel Piecewise Atmospheric Attenuation Model for Free Space Optical Links in Vertical Heterogeneous Networks

Eylem Erdogan, Mohammed Elamassie, Ibrahim Altunbas, Gunes Karabulut Kurt, Murat Uysal, Halim Yanikomeroglu ยท 2026

Free-space optical (FSO) communication is emerging as a key backhaul technology for next-generation vertical heterogeneous networks (VHetNets), whose architecture spans satellites, high-altitude platfโ€ฆ

Read Paper โ†’
Mathematics Preprint PDF DOI

Mathematical modeling of biochemical signal propagation in many-stage enzymatic pathways

Chathranee Jayathilaka, Mark B. Flegg ยท 2026

Biochemical signalling cascades transduce extracellular stimuli into cellular responses through sequences of discrete, node-to-node activations. While signal fidelity depends critically on local interโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Dilaton-Flattened Axion Inflation

Pirzada, Ali Muhammad, Tianjun Li, Imtiaz Khan, Mussawir Khan ยท 2026

We present a solvable same-sector effective theory for anomaly-inspired axion inflation, in which a heavy trace-anomaly mode dynamically backreacts on the axion potential. The tree-level elimination oโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Optimal Quantum Logarithmic Trace Inequality

Gilad Gour ยท 2026

We establish a sharp logarithmic trace inequality that strengthens recent bounds of Cheng et al.(arXiv:2507.07961) by replacing their prefactor $c_s/s$ with the strictly smaller constant $G_s$. The coโ€ฆ

Read Paper โ†’
AI & Data Science Preprint PDF DOI

Tight Sample Complexity Bounds for Best-Arm Identification Under Bounded Systematic Bias

Tianhao Qian ยท 2026

As search depth increases in autonomous reasoning and embodied planning, the candidate action space expands exponentially, heavily taxing computational budgets. While heuristic pruning is a common couโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Hybrid Renormalization for Baryon Distribution Amplitudes from Lattice QCD in LaMET

Mu-Hua Zhang ยท 2026

In our recent work [1] on lattice QCD calculation of the baryon leading-twist LCDAs within the framework of LaMET, a novel hybrid renormalization scheme is implemented for octet baryon quasi-DAs, yielโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Confined kinetics and heterogeneous diffusion driven by fractional Gaussian noise: A path integral approach

David Santiago Quevedo, Felipe Segundo Abril-Bermudez, Cristiane Morais Smith ยท 2026

Many complex systems are described by Langevin-type equations in which the noise exhibits long-range correlations and couples to the system in a state-dependent, multiplicative manner, leading to heteโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

CovAngelo: A hybrid quantum-classical computing platform for accurate and scalable drug discovery

Linn Evenseth, Kamil Galewski, Witold Jarnicki, Piero Lafiosca, Vyom N. Patel, Grzegorz Rajchel-Mieldzioc, Martin Simka, Micha{l} Szczepanik, Emil Zak ยท 2026

We present a computational platform for modeling chemical reactions in complex molecular environments, focused on ligand-protein binding in drug discovery. The platform implements our new quantum-in-qโ€ฆ

Read Paper โ†’
AI & Data Science Preprint PDF DOI

NameBERT: Scaling Name-Based Nationality Classification with LLM-Augmented Open Academic Data

Cong Ming, Ruixin Shi, Yifan Hu ยท 2026

Inferring nationality from personal names is a critical capability for equity and bias monitoring, personalization, and a valuable tool in biomedical and sociological research. However, existing name-โ€ฆ

Read Paper โ†’
Page 1 of 183 Next โ†’