From c80b9c1fc87ef447616d979bc8dc7ef0e6392ebc Mon Sep 17 00:00:00 2001 From: Monique Teillaud Date: Mon, 3 Sep 2007 11:21:34 +0000 Subject: [PATCH] same kind as previous commit --- .../doc_tex/Algebraic_kernel_d_ref/open.tex | 39 ++++++++++--------- 1 file changed, 20 insertions(+), 19 deletions(-) diff --git a/Algebraic_kernel_d/doc_tex/Algebraic_kernel_d_ref/open.tex b/Algebraic_kernel_d/doc_tex/Algebraic_kernel_d_ref/open.tex index 3bab04f7452..33c5c220f88 100644 --- a/Algebraic_kernel_d/doc_tex/Algebraic_kernel_d_ref/open.tex +++ b/Algebraic_kernel_d/doc_tex/Algebraic_kernel_d_ref/open.tex @@ -1,6 +1,26 @@ \section{Questions and Remarks} +\section{Notes} +\begin{itemize} + \item CA\_2 and CPA\_2 require squarefree and coprime input! + \item Events at infinity are only important for a single curve. Since + inf doesn't play a role in CPA\_2 we discuss it for the sake of + simplicity as a special case in CA\_2 only. +\item AlgebraicReal\_1 - refine: with relative precision is enough. \\ + Moreover, you can use 'refine() until' for absolute prec. +\item SquareFreeFactorization is not returning an additional constant + factor. This prevents us from providing an extra interface for + algebraic coefficients. + \item Is Derivative and XCriticalPoints/YCriticalPoints are not + redundant. We decided to keep them both because it is possible that + XCriticalPoints/YCriticalPoints use a different methodology, other + than residing to the Derivative functor. As Michael pointed out: + \emph{``I think we should keep it, since it is more abstract than + $solve(derivative(p),p)$. This would again move the {\em + AlgebraicKernel} towards a more abstract layer.''} +\end{itemize} + \section{Questions} \begin{itemize} \item problem is due to \ccc{AK_1}$$.\\ @@ -40,22 +60,3 @@ this traits class concept a refinement of RealEmbeddableTraits. \end{itemize} -\section{Notes} -\begin{itemize} - \item CA\_2 and CPA\_2 require squarefree and coprime input! - \item Events at infinity are only important for a single curve. Since - inf doesn't play a role in CPA\_2 we discuss it for the sake of - simplicity as a special case in CA\_2 only. -\item AlgebraicReal\_1 - refine: with relative precision is enough. \\ - Moreover, you can use 'refine() until' for absolute prec. -\item SquareFreeFactorization is not returning an additional constant - factor. This prevents us from providing an extra interface for - algebraic coefficients. - \item Is Derivative and XCriticalPoints/YCriticalPoints are not - redundant. We decided to keep them both because it is possible that - XCriticalPoints/YCriticalPoints use a different methodology, other - than residing to the Derivative functor. As Michael pointed out: - \emph{``I think we should keep it, since it is more abstract than - $solve(derivative(p),p)$. This would again move the {\em - AlgebraicKernel} towards a more abstract layer.''} -\end{itemize}