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PROGRAM:

NAME


nef.x, nef-<num>d.x - compute Hodge numbers of nef-partitions

SYNOPSIS


nef.x <Options>

DESCRIPTION


The nef-<num>d.x variant programs, where <num> is one of 4, 5, 6 and 11 work in different
dimensions ; nef.x defaults to dimension 6.

Options
-h prints this information

-f or -
use as filter; otherwise parameters denote I/O files

-N input is in N-lattice (default is M)

-H gives full list of Hodge numbers

-Lv prints L vector of Vertices (in N-lattice)

-Lp prints L vector of Points (in N-lattice)

-p prints only partitions, no Hodge numbers

-D calculates also direct products

-P calculates also projections

-t full time info

-cCODIM
codimension (default = 2)

-Fcodim
fibrations up to codim (default = 2)

-y prints poly/CWS in M lattice if it has nef-partitions

-S information about #points calculated in S-Poly

-T checks Serre-duality

-s don't remove symmetric nef-partitions

-n prints polytope only if it has nef-partitions

-v prints vertices and #points of input polytope in one line; with -u, -l the output
is limited by #points:

-uPOINTS
... upper limit of #points (default = POINT_Nmax)

-lPOINTS
... lower limit of #points (default = 0)

-m starts with [d w1 w2 ... wk d=d_1 d_2 (Minkowski sum)

-R prints vertices of input if not reflexive

-V prints vertices of N-lattice polytope

-Q only direct products (up to lattice Quotient)

-gNUMBER
prints points of Gorenstein polytope in N-lattice

-dNUMBER
prints points of Gorenstein polytope in M-lattice

if NUMBER = 0 ... no
0/1 info

if NUMBER = 1 ... no redundant
0/1 info (=default)

if NUMBER = 2 ... full
0/1 info

-G Gorenstein cone: input <-> support polytope

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