Polymake 4.3

Release dates:

• 4.3: December 15th, 2020

– fan –

• implement function to construct the union of cones/polytopes as a subcomplex of a chamber complex
• HyperplaneArrangement: properties renamed CELL_* → CHAMBER_*
• HyperplaneArrangement: CHAMBER_SIGNATURES type changed to IncidenceMatrix

– group –

• documentation enhanced, several examples added

– polytope –

• Polytope: new property MINIMAL_BALL
• Schlegel diagram: fixes for non-rational polytopes

– topaz –

• new client functions for Jockusch and Novik/Zheng spheres and balls

– tropical –

• add function augmented_bergman_fan