Changeset fe8998f in git
- Timestamp:
- Dec 17, 2018, 2:15:00 AM (5 years ago)
- Branches:
- (u'spielwiese', '2fa36c576e6a4ddbb1093b43c7f8e9835e17e52a')
- Children:
- 311eaa4f99df71e441076b65a8c7bdee8958fa87
- Parents:
- d57b669d3660a3e406b7c50286629c7ac682b67c
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- 1 edited
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Singular/LIB/freegb.lib
rd57b669 rfe8998f 5 5 LIBRARY: freegb.lib Two-sided Groebner bases in free algebras and tools via Letterplace approach 6 6 AUTHORS: Viktor Levandovskyy, viktor.levandovskyy at math.rwth-aachen.de 7 Grischa Studzinski, grischa.studzinski at math.rwth-aachen.de8 Karim Abou Zeid, karim.abou.zeid atrwth-aachen.de7 @* Karim Abou Zeid, karim.abou.zeid at rwth-aachen.de 8 @* Grischa Studzinski, grischa.studzinski at math.rwth-aachen.de 9 9 10 10 OVERVIEW: For the theory, see chapter 'Letterplace' in the Singular Manual. 11 11 12 This library provides access to kernel functions and also contains legacy code (partially as 12 13 static procedures) for compatibility reasons. … … 22 23 23 24 PROCEDURES: 24 makeLetterplaceRing(d); creates a ring with d blocks of shifted original variables25 makeLetterplaceRing(d); creates a Letterplace ring out of given data 25 26 setLetterplaceAttributes(R,d,b); supplies ring R with the letterplace structure 26 27 lieBracket(a,b[, N]); Lie bracket ab-ba of two letterplace polynomials … … 32 33 isVar(p); check whether p is a power of a single variable 33 34 34 lpLmDivides(ideal I, poly p) tests if there is a polynomial q in I withLM(q)|LM(p)35 lpVarAt(poly p, int pos) 35 lpLmDivides(ideal I, poly p); tests whether there exists q in I, such that LM(q)|LM(p) 36 lpVarAt(poly p, int pos); returns the variable (as a poly) at position pos of the poly p 36 37 37 38 SEE ALSO: fpadim_lib, fpaprops_lib, fpalgebras_lib, LETTERPLACE
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