1. On supersolvable and nearly supersolvable line arrangements

   • Alexandru Dimca
   • Gabriel Sticlaru

   OriginalPaper 08 December 2018 Pages: 363 - 378

2. Remarks on singular Cayley graphs and vanishing elements of simple groups

   • J. Siemons
   • A. Zalesski

   OriginalPaper Open access 30 November 2018 Pages: 379 - 401

   

3. Uniform column sign-coherence and the existence of maximal green sequences

   • Peigen Cao
   • Fang Li

   OriginalPaper 02 January 2019 Pages: 403 - 417

   

4. The spectra of lifted digraphs

   • C. Dalfó
   • M. A. Fiol
   • J. Širáň

   OriginalPaper 02 January 2019 Pages: 419 - 426

   

5. Higher matrix-tree theorems and Bernardi polynomial

   • Yurii Burman

   OriginalPaper 01 January 2019 Pages: 427 - 446

6. Seven combinatorial problems around isolated quasihomogeneous singularities

   • Claus Hertling
   • Philip Zilke

   OriginalPaper 01 January 2019 Pages: 447 - 482