activity
20232025
collaborators

6 papers

q-fin.PR2025

Statistical Arbitrage in Options Markets by Graph Learning and Synthetic Long Positions

Yoonsik Hong, Diego Klabjan

Statistical arbitrages (StatArbs) driven by machine learning has garnered considerable attention in both academia and industry. Nevertheless, deep-learning (DL) approaches to direc…

q-fin.TR2025

Graph Learning for Foreign Exchange Rate Prediction and Statistical Arbitrage

Yoonsik Hong, Diego Klabjan

We propose a two-step graph learning approach for foreign exchange statistical arbitrages (FXSAs), addressing two key gaps in prior studies: the absence of graph-learning methods f…

cs.CV2024

DiffMVR: Diffusion-based Automated Multi-Guidance Video Restoration

Zheyan Zhang, Diego Klabjan, Renee CB Manworren

In this work, we address a challenge in video inpainting: reconstructing occluded regions in dynamic, real-world scenarios. Motivated by the need for continuous human motion monito…

cs.LG2024

LanFL: Differentially Private Federated Learning with Large Language Models using Synthetic Samples

Huiyu Wu, Diego Klabjan

Federated Learning (FL) is a collaborative, privacy-preserving machine learning framework that enables multiple participants to train a single global model. However, the recent adv…

cs.LG2024

Decentralized Blockchain-based Robust Multi-agent Multi-armed Bandit

Mengfan Xu, Diego Klabjan

We study a robust, i.e. in presence of malicious participants, multi-agent multi-armed bandit problem where multiple participants are distributed on a fully decentralized blockchai…

cs.CR2023

Robust softmax aggregation on blockchain based federated learning with convergence guarantee

Huiyu Wu, Diego Klabjan

Blockchain based federated learning is a distributed learning scheme that allows model training without participants sharing their local data sets, where the blockchain components…