2 papers
cs.CL2023
Mind the Gap: Automated Corpus Creation for Enthymeme Detection and Reconstruction in Learner Arguments
Maja Stahl, Nick Düsterhus, Mei-Hua Chen +1
Writing strong arguments can be challenging for learners. It requires to select and arrange multiple argumentative discourse units (ADUs) in a logical and coherent way as well as t…
cond-mat.str-el2010
Quantum critical surface of the zigzag spin chain under magnetic field: Application to superconducting quantum dots
Meihua Chen, Sujit Sarkar, C. D. Hu
We analyze the exact ground state of XXZ zigzag spin chain with applied magnetic field and find the quantum critical surface. Using the theorem of positive semi-definite matrix, we…