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CotangentSchubert, a package by Paul Zinn-Justin for Cotangent Schubert calculus, has been published.
GeometricDecomposability, a package by Mike Cummings and Adam Van Tuyl to check whether ideals are geometrically vertex decomposable, has been published.
InvariantRing, a package by Luigi Ferraro, Federico Galetto, Francesca Gandini, Hang Huang, Thomas Hawes, Matthew Mastroeni, and Xianglong Ni for invariants of group actions, has been published.
MultiplicitySequence, a package by Justin Chen, Youngsu Kim, and Jonathan Montaño for computing the multiplicity sequence of an ideal, has been published.
Probability, a package by Doug Torrance for basic probability functions, has been published.
TropicalToric, a package by Alessio Borzì on tropical methods for toric intersection theory, has been published.
new packages:
MultigradedBGG, a package by Maya Banks, Michael K. Brown, Tara Gomes, Prashanth Sridhar, Eduardo Torres Davila, and Sasha Zotine for the multigraded BGG correspondence and differential modules, has been added.
TropicalToric, a package by Alessio Borzì on tropical methods for toric intersection theory, has been added.
VNumber, a package by Antonino Ficarra and Emanuele Sgroi to compute v-number of homogeneous ideals and v-function of monomial ideals, has been added.
improved packages:
Many FourTiTwo methods now have a Precision option for setting the integer precision used by 4ti2.
PositivityToricBundles has been updated to version 1.7, adding several new methods, fixing bugs, and updating the documentation and tests.
ToricVectorBundles has been updated to version 1.2 with updated documentation.
WhitneyStratifications has been updated to version 2.03, adding new routines to stratify algebraic maps to the package. The update also includes several performance improvements and bug fixes.
functionality added or improved:
It is now possible to create a fraction field of an iterated polymial ring using frac.
A number of new operators have been added that may be used for defining methods. See ^!, !, ^~, ~, ^>, ^>=, ^<, ^<=, >, >=, <, <=, |, and |=.
A number of improvements have been made to parallelization. In particular:
The function getIOThreadMode has been added for determining the current I/O thread mode.