Issue 83

September 1 - 4, 2019, Evangelische Akademie, Bad Boll, Germany

Preface

[B83a] Mukesh Kumar Nagar and Sivaramakrishnan Sivasubramanian

Generalized Matrix Polynomials of Tree Laplacians Indexed by Symmetric Functions and the GTS Poset (10 pp.)

[B83b] Tilman Möller

Matroids of Combinatorially Formal Arrangements are not Determined by Their Points and Lines (12 pp.)

[B83z] Roman König (Obituary)

Nachruf. Luigi Cerlienco (1944-2019) (2 pp.)