2 papers
cs.CL2026
vMF Sentence LDA: A Spherical Topic Model over Sentence Embeddings
Ryotaro Kobayashi, Yuri Murayama, Kiyoshi Izumi
Latent Dirichlet Allocation (LDA) and models derived from it remain widely used topic models. LDA observes each document as a bag-of-words and models each topic by a categorical di…
q-fin.CP2025
CoFinDiff: Controllable Financial Diffusion Model for Time Series Generation
Yuki Tanaka, Ryuji Hashimoto, Takehiro Takayanagi +3
The generation of synthetic financial data is a critical technology in the financial domain, addressing challenges posed by limited data availability. Traditionally, statistical mo…