2 papers
cs.DS2026
Efficient Streaming Algorithms for Two-Dimensional Congruence Testing and Congruence Hashing
Yen-Cheng Chang, Tsun Ming Cheung, Meng-Tsung Tsai +1
Geometric congruence asks whether two point multisets are identical up to translation and rotation, while congruence hashing seeks compact encodings that support efficient congruen…
physics.class-ph2025
Canonical Energy-Momentum Tensor of Abelian Fields
Peir-Ru Wang, Yen-Cheng Chang
In this tutorial, we provide the natural derivation of symmetrical, gauge-invariant canonical energy-momentum tensor for the abelian gauge field, i.e., the electromagnetic field.