Volume 20: January 2020 - December 2020

Contents

Characterizations of freeness for equidimensional subspaces	1
Delphine Pol

On the growth behaviour of Hironaka quotients	31
H. Maugendre and F. Michel

A Topological Characterization of the Middle Perversity Intersection Complex for Arbitrary Complex Algebraic Varieties	54
Ben Wu

Singular Welschinger invariants	79
Eugenii Shustin

On the topology of a resolution of isolated singularities, II	95
Vincenzo Di Gennaro and Davide Franco

The Generic Rank of the Baum-Bott Map for Degree-2 Foliations on Even-Dimensional Projective Spaces	103
Midory Komatsudani-Quispe

How to glue parity sheaves	128
Pramod N. Achar

Combinatorially determined zeroes of Bernstein--Sato ideals for tame and free arrangements	165
Daniel Bath

Bernoulli moments of spectral numbers and Hodge numbers	205
Thomas Brélivet and Claus Hertling

The Hilbert series of Hodge ideals of hyperplane arrangements	232
Bradley Dirks and Mircea Mustaţă

On the rational homotopy type of intersection spaces	251
Dominik J. Wrazidlo

Wild Singularities of Kummer Varieties	274
Benedikt Schilson

Equisingular algebraic approximation of real and complex analytic germs	289
Janusz Adamus and Aftab Patel

Nearby cycles for parity sheaves on a divisor with simple normal crossings	311
Pramod N. Achar and Laura Rider

Positive Populations	342
Vadim Schechtman and Alexander Varchenko