Search Results for author: LiFeng Wang

Found 5 papers, 2 papers with code

A fractional version of Rivière's GL(N)-gauge

no code implementations18 Jan 2021 Francesca Da Lio, Katarzyna Mazowiecka, Armin Schikorra, LiFeng Wang

We prove that for antisymmetric vectorfield $\Omega$ with small $L^2$-norm there exists a gauge $A \in L^\infty \cap \dot{W}^{1/2, 2}(\mathbb{R}^1, GL(N))$ such that ${\rm div}_{\frac12} (A\Omega - d_{\frac{1}{2}} A) = 0$.

Analysis of PDEs

GEAR: Graph-based Evidence Aggregating and Reasoning for Fact Verification

2 code implementations ACL 2019 Jie Zhou, Xu Han, Cheng Yang, Zhiyuan Liu, LiFeng Wang, Changcheng Li, Maosong Sun

Fact verification (FV) is a challenging task which requires to retrieve relevant evidence from plain text and use the evidence to verify given claims.

Fact Verification

Graph Neural Networks: A Review of Methods and Applications

5 code implementations20 Dec 2018 Jie Zhou, Ganqu Cui, Shengding Hu, Zhengyan Zhang, Cheng Yang, Zhiyuan Liu, LiFeng Wang, Changcheng Li, Maosong Sun

Lots of learning tasks require dealing with graph data which contains rich relation information among elements.

Graph Attention

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