{17} Open Tickets by component (1674 matches)

Results (1 - 100 of 1674)

algebra (61 matches)

Ticket	Status	Owner	Created	Summary
#7016	new	tbd	09/25/09	Bizarre results when taking the mod of a p-adic number
#7794	new	AlexGhitza	12/30/09	PolynomialRing_integral_domain ignores Ctrl-C and segfaults
#4039	new	tbd	09/02/08	choose one name for partial fraction decompositions
#4305	needs_work	tbd	10/15/08	move finite fields into their own directory
#4539	needs_work	burcin	11/17/08	plural wrapper
#4621	needs_info	tbd	11/26/08	'2' not in QQbar -- canonical embedding of subfields
#4625	new	somebody	11/26/08	improve pth power map for finite fields of characteristic p
#4739	needs_work	tbd	12/07/08	Add support for additive abelian groups
#5075	new	roed	01/23/09	Polynomials over inexact rings should not truncate inexact leading zeroes
#5367	new	tbd	02/24/09	bug in composition of power series
#5544	new	tbd	03/16/09	multipolynomial __call__ not consistent
#5547	new	tbd	03/17/09	Restructure Ideal_generic in rings/ideal.py so that it doesn't derive from MonoidElement, since multiplying ideals doesn't work in a noncommutative ring (the ring changes)
#5618	new	tbd	03/26/09	Cyclotomic field elements are not converted to Gap correctly
#5982	needs_work	tbd	05/04/09	Can't construct fraction field
#6551	needs_work	AlexGhitza	07/17/09	fix ugliness in printing of multivariate polynomials
#6607	needs_work	tbd	07/23/09	Quadratics in GF(2^m)
#6800	needs_work	burcin	08/22/09	formal/lazy/infinite powerseries
#6924	new	tbd	09/11/09	Restriction and Tensor Products for Supercharacters of $U_n(2)$
#7234	needs_work	tbd	10/16/09	Unit groups for finite fields (and more generally)
#7240	positive_review	tbd	10/18/09	factorization of Cunningham numbers - applications
#7253	new	tbd	10/19/09	inefficient polynomial powering for positive characteristic
#7585	needs_work	AlexGhitza	12/02/09	Fast function field arithmetic
#7644	new	AlexGhitza	12/09/09	generic power series reversion
#7797	needs_review	burcin	12/30/09	basic interface to letterplace from singular
#7881	needs_work	AlexGhitza	01/09/10	Make polynomials respect the _gcd framework so that they can use coercion in gcds
#7887	new	AlexGhitza	01/09/10	Fast function field arithmetic
#7931	needs_review	roed	01/14/10	Improved nth root for finite fields and integer_mods
#8005	new	AlexGhitza	01/19/10	powers of elements in a QuotientRing
#8109	needs_review	AlexGhitza	01/28/10	wrap NTL's lzz_pE and lzz_pEX and use them
#8143	new	AlexGhitza	02/01/10	Efficient Gram-Schmidt
#8169	new	AlexGhitza	02/03/10	include TOPCOM
#8207	new	AlexGhitza	02/07/10	Factoring a constant generic multivariate polynomial broken
#8218	needs_review		02/08/10	Finite Field move
#8277	new	hivert	02/15/10	Using matrix() to convert between sparse and dense.
#8332	needs_review	AlexGhitza	02/23/10	Changes FiniteField_givaro to Python
#8333	needs_review	AlexGhitza	02/23/10	Finite fields to new coercion model
#8334	needs_review	AlexGhitza	02/23/10	Improvements to residue fields
#8335	needs_review	AlexGhitza	02/23/10	Finite Field lattices
#8360	new	nthiery	02/25/10	Add an interface to Jean-Eric Pin's Semigroupe package
#8389	new	AlexGhitza	02/27/10	Sage eats all memory trying to evaluate MatrixSpace(QQ, 2)['x']
#8426	new	AlexGhitza	03/02/10	polynomial * constant does not work if constant is a numpy type
#8502	new	AlexGhitza	03/11/10	evaluating multivariate polynomials yields non-constant
#8504	positive_review	AlexGhitza	03/11/10	AbelianGroup.exponent() uses GAP (slow)
#8510	new	AlexGhitza	03/12/10	conjugacy_class(es)_representatives
#8544	new	AlexGhitza	03/15/10	Factor polynomials over QQbar and AA
#3709	new	tbd	07/22/08	Implement sqrt() for QuaternionAlgebraElement
#4618	new	AlexGhitza	11/25/08	Request for Puiseux series in SAGE
#5682	new	tbd	04/04/09	Quotient for univariate Laurent polynomials
#5978	new	tbd	05/04/09	Can't construct the quotient of an univariate polynomial ring by its zero ideal
#6105	needs_work	tbd	05/20/09	[with patch, needs work] Additions and changes in Group Algebras
#6183	needs_work	AlexGhitza	06/02/09	[with patch, needs work] Quaternion algebra latexification
#6589	new	tbd	07/22/09	bring doctest coverage for ring/laurent_series_ring.py to 100%
#6670	needs_work	mraum	08/03/09	Port group algebras to the current coercion system
#6941	needs_info	tbd	09/15/09	GCD, XGCD for polynomial rings with templating
#7348	new	tbd	10/29/09	speed up computation of multiplicative orders of finite field elements
#7555	needs_work	AlexGhitza	11/29/09	Fix Cayley tables, add operation tables
#7730	new	spancratz	12/17/09	hessenberg_form hangs (or is *very* slow)
#7828	new	AlexGhitza	01/02/10	There should be a top-level sign() function.
#7829	new	AlexGhitza	01/02/10	implement hex for real numbers
#8029	new	AlexGhitza	01/21/10	Defect: Power series over a polynomial ring with real coefficients
#8390	needs_review	olazo	02/27/10	Find all roots of a trigonometric equation

algebraic geometry (15 matches)

Ticket	Status	Owner	Created	Summary
#933	new	was	10/19/07	Permanents of (0,1)-matrices
#1365	new	cwitty	12/01/07	golden_ratio._algebraic_() should synthesize the value
#2693	new	was	03/27/08	Sage should have generic resultant implementation for multivariate polynomials
#5528	new	was	03/16/09	implement functionality for deformation theory
#6810	new	was	08/22/09	improve doctest coverage in schemes/homset.py
#7946	new	AlexGhitza	01/16/10	Spec(...) does not specify its category
#7953	needs_work	AlexGhitza	01/16/10	Curve printing only shows first defining equation
#7954	needs_work	AlexGhitza	01/16/10	Defining affine curves in 3D space
#7956	new	AlexGhitza	01/16/10	constructing a scheme morphism to an affine curve
#8197	new	AlexGhitza	02/05/10	Documenting check=True/False parameters
#8428	positive_review	AlexGhitza	03/03/10	Problem with rational_points over plane curves AND addition of rational_points_iterator function
#5746	new	AlexGhitza	04/10/09	rational points over subfields of the (finite) field of definition
#5883	new	AlexGhitza	04/23/09	integrate relevant functionality from modular/modsym/p1list.pyx into projective space code
#6881	new	tbd	09/03/09	Conics
#8530	new	AlexGhitza	03/13/10	affine patches of projective curves should be affine curves

algebraic topology (4 matches)

Ticket	Status	Owner	Created	Summary
#6100	needs_work	jhpalmieri	05/20/09	give a basis for homology and cohomology of chain complexes in terms of given generators
#6101	new	bantieau	05/20/09	computation of induced morphism on homology and cohomology of simplicial complex morphisms
#6102	new	bantieau	05/20/09	cohomology ring of simplicial complexes
#6103	new	jhpalmieri	05/20/09	cohomology of simplicial complexes with finite coefficients as modules over steenrod algebras

basic arithmetic (20 matches)

Ticket	Status	Owner	Created	Summary
#8098	needs_work	AlexGhitza	01/27/10	solve_mod is horribly broken
#8336	new	AlexGhitza	02/23/10	round(x) <> x.round() for x in RealField
#8344	positive_review	AlexGhitza	02/23/10	Factor constant polynomials over QQbar
#269	new	somebody	02/17/07	add floordiv, mod, invert, pow to arithmetic architecture (at least in RingElement)
#687	new	malb	09/18/07	Wrap libSINGULAR's quotient ring implementation
#689	new	somebody	09/18/07	modifying preparse.py to benefit from the Python standard tokenize module
#715	new	somebody	09/20/07	Parents probably not reclaimed due to too much caching
#807	new	somebody	10/03/07	construction of function fields
#813	new	roed	10/03/07	forced coercion vs. automatic coercion
#1169	new	somebody	11/14/07	NTL cache-friendly FFT routines
#1381	new	somebody	12/03/07	optimized algorithm for some FractionField substitutions
#2072	new	somebody	02/05/08	Remove _neg_c_impl and _invert_c_impl from some classes.
#2090	new	somebody	02/07/08	basic univariate polynomial efficiency issues
#2114	new	somebody	02/08/08	get gf2x into Sage!
#2567	needs_work	somebody	03/17/08	import MPFR_PREC_MAX from mpfr.h instead of hard coding it to the 32 bit limit
#2907	new	somebody	04/13/08	polynomials lack content method
#2956	new	malb	04/19/08	generic multivariate polynomials are buggy on exponent overflow
#3354	new	somebody	06/02/08	Bug in power series sqrt
#3852	needs_review	somebody	08/14/08	create or adapt or include a units package
#3893	new	somebody	08/18/08	random_element methods should all accept *args and **kwds