Dongfang Zhao

collaborators

2 papers

math.AG2025

Approximate Fiber Products of Schemes and Their Ãtale Homotopical Invariants

Dongfang Zhao

The classical fiber product in algebraic geometry provides a powerful tool for studying loci where two morphisms to a base scheme, $I ¨ : X \to S$ and $I ¨ : Y \to S$ , coincide exactly…

cs.CR2025

IPBA: Imperceptible Perturbation Backdoor Attack in Federated Self-Supervised Learning

Jiayao Wang, Yang Song, Zhendong Zhao +4

Federated self-supervised learning (FSSL) combines the advantages of decentralized modeling and unlabeled representation learning, serving as a cutting-edge paradigm with strong po…

Approximate Fiber Products of Schemes and Their Ãtale Homotopical Invariants

IPBA: Imperceptible Perturbation Backdoor Attack in Federated Self-Supervised Learning

Approximate Fiber Products of Schemes and Their Ãtale Homotopical Invariants