Two Higgs doublet model fitting and tt¯bb¯ signal at the ILC

Search for new particles at the ILC

Reconstructing long-lived particles with the ILD detector

Experimental prospects for indirect BSM searches in e−e+→qq¯ (q=c,b) processes at Higgs Factories

Long-lived HNLs at lepton colliders as a probe of left-right symmetric models

Searches for axion-like particles via γγ fusion at future e+e− colliders

Hunting for sterile neutrino with collider signatures