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• Heaviside optimisation: optimality and Newton method
  Department of Mathematics, Beijing Jiaotong University, 18 Aug 2020.

• Bilevel optimisation with applications into hyper-parameter tuning in machine learning
  Turing Optimisation Club Meeting, The Alan Turing Institute, Lodon, 11 Nov 2019.

• Globally and quadratically convergent Newton method for sparse optimization
  Cormsis Seminar, University of Southampton, UK, 12 Dec 2018.

• A fast matrix majorization-projection method for penalized stress minimization with box constraints
  SIAM UKIE Annual Meeting, Southampton, UK, 11 Jan 2018.

• Exact recovery for sparse signal via weighted l1 minimization
  CMP2014, Luoyang, Henan Province, China, 12 May 2014.

• New RIC bounds via lq minimization in compressed sensing
  ICNONLA2013, Changchun, China, 13 Sep 2013.