melancholy
发表于 2025-3-21 16:27:06
书目名称Geometry Through History影响因子(影响力)<br> http://impactfactor.cn/if/?ISSN=BK0383756<br><br> <br><br>书目名称Geometry Through History影响因子(影响力)学科排名<br> http://impactfactor.cn/ifr/?ISSN=BK0383756<br><br> <br><br>书目名称Geometry Through History网络公开度<br> http://impactfactor.cn/at/?ISSN=BK0383756<br><br> <br><br>书目名称Geometry Through History网络公开度学科排名<br> http://impactfactor.cn/atr/?ISSN=BK0383756<br><br> <br><br>书目名称Geometry Through History被引频次<br> http://impactfactor.cn/tc/?ISSN=BK0383756<br><br> <br><br>书目名称Geometry Through History被引频次学科排名<br> http://impactfactor.cn/tcr/?ISSN=BK0383756<br><br> <br><br>书目名称Geometry Through History年度引用<br> http://impactfactor.cn/ii/?ISSN=BK0383756<br><br> <br><br>书目名称Geometry Through History年度引用学科排名<br> http://impactfactor.cn/iir/?ISSN=BK0383756<br><br> <br><br>书目名称Geometry Through History读者反馈<br> http://impactfactor.cn/5y/?ISSN=BK0383756<br><br> <br><br>书目名称Geometry Through History读者反馈学科排名<br> http://impactfactor.cn/5yr/?ISSN=BK0383756<br><br> <br><br>
extinct
发表于 2025-3-22 00:07:14
https://doi.org/10.1007/978-3-319-74135-2Euclidean geometry; neutral geometry; hyperbolic planes; projective geometry; affine geometry; algebraic
eustachian-tube
发表于 2025-3-22 02:47:44
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OWL
发表于 2025-3-22 07:59:04
Paul Sellnick,Ernst Heimard Cludiusulate. There are two possibilities: the Euclidean case, where every triangle is Euclidean, and the hyperbolic case, where every triangle has a positive angular defect. In this chapter, we consider properties of the plane in the latter case.
摄取
发表于 2025-3-22 09:41:11
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SEED
发表于 2025-3-22 15:29:59
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SEED
发表于 2025-3-22 19:05:10
Hermann Schichl,Roland Steinbauern a circular arc. It is hard to imagine a rotation without a journey, but for the most part, we care about where things start and where they end up, not how they actually found their way to their final positions.
冥想后
发表于 2025-3-22 23:48:43
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Intuitive
发表于 2025-3-23 02:54:16
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遍及
发表于 2025-3-23 08:50:27
An Introduction to Projective Geometry,he first treatise on the subject but it did not develop into one of the building blocks of modern mathematics until late in the nineteenth century. Nowadays, projective geometry is part of the everyday working tool set for mathematicians in geometry, topology, and algebra. It is also of interest in its own right.