| 1 | @comment -*-texinfo-*- |
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| 2 | @comment this file contains the News about Singular versions |
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| 3 | @comment Unix |
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| 4 | @ifclear VERSION |
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| 5 | @include version.texi |
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| 6 | @end ifclear |
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| 7 | |
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| 8 | @majorheading NEWS in SINGULAR @value{VERSION} |
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| 9 | |
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| 10 | @ifclear singularmanual |
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| 11 | @macro nref{what} |
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| 12 | \what\ |
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| 13 | @end macro |
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| 14 | @end ifclear |
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| 15 | |
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| 16 | @ifset singularmanual |
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| 17 | @macro nref{what} |
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| 18 | @ref{\what\} |
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| 19 | @end macro |
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| 20 | @end ifset |
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| 21 | |
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| 22 | @heading News for version @value{VERSION} |
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| 23 | |
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| 24 | Version 4-0-0 is a milestone relase of Singular. |
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| 25 | The new release series 4 aims for an entirely modularized architecture |
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| 26 | simplifying connectivity with other systems and paving the way |
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| 27 | for parallel computations. |
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| 28 | As a first step in modularization, the new release features an internal |
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| 29 | structural separation of coefficient rings and polynomial rings. |
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| 30 | This allows for a flexible integration of new coefficient rings. |
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| 31 | |
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| 32 | @sc{Singular} 4-0-0's list of new functionality and significant |
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| 33 | improvements further extends that of the 3-1-6/7 prerelease series. |
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| 34 | |
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| 35 | New functionality |
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| 36 | |
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| 37 | @itemize |
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| 38 | @item de Rham cohomology of complements of algebraic varieties (@nref{derham_lib}) |
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| 39 | @item Gromov-Witten numbers of elliptic curves (@nref{ellipticcovers_lib}) |
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| 40 | @item classification of isolated complete intersection singularities in characteristic 0 (@nref{classifyci_lib}) |
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| 41 | @item parametrization of orbits of unipotent actions (@nref{orbitparam_lib}) |
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| 42 | @item F5-like Groebner basis algorithm (@nref{sba}) |
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| 43 | @item element-wise application of functions to data structures (@nref{apply}) |
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| 44 | @item support for debugging libraries (@nref{ASSUME}) |
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| 45 | @end itemize |
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| 46 | |
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| 47 | Improved functionality |
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| 48 | |
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| 49 | @itemize |
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| 50 | @item |
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| 51 | Groebner cover for parametric ideals (@nref{grobcov_lib}) |
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| 52 | @item |
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| 53 | normalization of affine rings (@nref{normal_lib}) |
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| 54 | @item |
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| 55 | classification of real singularities (@nref{realclassify_lib}) |
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| 56 | @item |
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| 57 | GIT-fans (@nref{gitfan_lib}) |
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| 58 | @item |
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| 59 | algebraic/transcendental field extensions |
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| 60 | @item |
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| 61 | @nref{Non-commutative subsystem} |
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| 62 | @item |
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| 63 | an abstraction layer for parallel computations (@nref{parallel_lib}) |
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| 64 | @item |
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| 65 | run-time loading of supplementary kernel code (@nref{Dynamic modules}) |
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| 66 | @item |
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| 67 | interpreter language support for name spaces (@nref{package}) |
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| 68 | @end itemize |
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| 69 | |
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| 70 | Availability |
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| 71 | |
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| 72 | @sc{Singular} is available as source code and for Linux, Mac OS X, Windows, FreeBSD and |
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| 73 | SunOS-5. |
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| 74 | |
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