3 papers
math.NA2026
A Simple GPU-Accelerated Solver for the Schrödinger Operator with Applications to Ground States and Hamiltonian Simulation
Xinyu Liu, Xiangxiong Zhang
We extend the tensor-product direct solver from the Laplacian to the Schrödinger operator . When the potential is separable, the operator is inverted or expo…
cs.DB2025
Dynamically Detect and Fix Hardness for Efficient Approximate Nearest Neighbor Search
Zhiyuan Hua, Qiji Mo, Zebin Yao +8
Approximate Nearest Neighbor Search (ANNS) has become a fundamental component in many real-world applications. Among various ANNS algorithms, graph-based methods are state-of-the-a…
cs.DB2021
Testing DBMS Performance with Mutations
Xinyu Liu, Qi Zhou, Joy Arulraj +1
Because database systems are the critical component of modern data-intensive applications, it is important to ensure that they operate correctly. To this end, developers extensivel…