Feature #762: ExternalLib-GFan: first prototype - CoCoALib - CoCoA Project

Feature #762

ExternalLib-GFan: first prototype

Added by Anna Maria Bigatti over 8 years ago. Updated about 8 years ago.

Status:

Closed

Priority:

Normal

Assignee:

Anna Maria Bigatti

Category:

New Function

Target version:

CoCoALib-0.99540 Feb 2016

Start date:

28 Aug 2015

Due date:

% Done:

100%

Estimated time:

24.00 h

Spent time:

24.00 h

Description

Make a first prototype of communication with GFan.
(more evolved and specific tasks will be separate issues)

Related issues

History

#1 Updated by Anna Maria Bigatti over 8 years ago

Get inspiration from Macaulay2:
http://www.math.uiuc.edu/Macaulay2/doc/Macaulay2-1.8.2/share/doc/Macaulay2/gfanInterface/html/
and Singular (only for tropical)
http://www.singular.uni-kl.de/Manual/3-1-6/sing_1881.htm#SEC1957

#2 Updated by Anna Maria Bigatti over 8 years ago

What do we want?
- cones (CoCoACone=NmzCone+GFan, or two separate implementations inheriting from a base class)
- fans
- Groebner fan of an ideal (the fan itself or the GBases?)
--------------------------------------

Aim for this week:
- prototype implementetation of a GFan object for cone (freely, but following the names we chose for Normaliz)
- prototype function to compute the GBases (either through GFanLib, or directly in CoCoA, with the help of Anders ;-)

#3 Updated by Anna Maria Bigatti over 8 years ago

Status changed from New to Closed
Assignee set to Anna Maria Bigatti
% Done changed from 0 to 100
Estimated time changed from 15.00 h to 24.00 h

First prototype is done and working!!
Current design is:
- cone functions are in CoCoALib
- GroebnerFan algorithm is in a CoCoA-5 package: GroebnerFan.cpkg5 (by Anders N. Jensen)

Plans for the future:
a.1 - generalize cocoa-cone
a.2 - make a CONE type in cocoa-5
b.1 - improve the package
b.2 - implement is in cocoalib