Author

Fei Ding

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Open access Oct 2026

Deep Learning-Based Gold Price Prediction and Cross-Market Arbitrage Strategy with Currency Hedging

This paper develops a reproducible framework for predicting gold-price direction and converting the forecasts into a currency-hedged SHFE-COMEX spread-trading strategy. Daily market data from January 2018 to December 2024 are divided chronologically into training, validation, out-of-sample testing, and frozen-model for...

Zi-Jian Zeng, Fei Ding, Wen-Sheng Yi · Wseas Transactions on Busine... · 0 citations

Preprint Aug 2026

Can Large Language Models"Hyper-Thread"?

The results show that more dispersed attention can coexist with higher accuracy, providing preliminary behavioral and correlational evidence for the hyper-threading hypothesis and motivating a shift in perspective on inference scaling from "generating more tokens" toward "having each generation step carry more tasks,"...

Fei Ding · 0 citations

#machine learning Preprint Aug 2026

Advantage Scale Calibration Imbalance in Group-Relative Optimization under Low-Variance Rewards: Diagnosis and Bounded Recovery

An advantage-scale three-way calibration interface is proposed: the same within-group scale denominator simultaneously determines the reward-branch strength, prompt-level batch weight, and the effective KL calibration induced when the reward branch is re-expressed on the original cardinal scale.

Fei Ding · 0 citations

#software testing Preprint Aug 2026

The Thousand-Graph Hypothesis: A Testable Hypothesis of Task-Conditioned Relation Materialization in Repository-Level Code Reasoning

An entity-only external interface with task-conditioned relation materialization during inference with two-layer index separates global routing from local entity focus is proposed and evaluated on DeepSeek-V4-Flash and SWE-bench Verified.

Fei Ding · 0 citations