2020年7月3日,中国图象图形学学会交通视频专业委员会在腾讯会议(在线)召开换届会议,专委会委员57人,实到41人。会议由中国图象图形学学会副理事长兼秘书长马惠敏教授主持。首先,专委会上一届主任委员...
阅读全文最近,“中国65篇数学论文涉嫌批量造假”一事再次引发学术界对论文造假的关注。...
阅读全文在自行车的轮胎外边缘上用红漆点上一个点,然后让车轮沿直线向前滚动,这个点在空间中所留下来的曲线就是旋轮线。旋轮线也叫摆线,在数学上的定义是一个圆沿着一条直线做无滑动的滚动,圆周上一点画出来的曲线。假如...
阅读全文2020年7月8日上午9时整,由中国工业与应用数学学会(以下简称“学会”)联合中国知网(CNKI)、高等教育出版社,共同举办的“数学的重要性及其应用”系列公益讲座活动拉开了序幕。本次系列公益讲座特邀多...
阅读全文A Mongolian tent graph is defined as the graph obtained from the grid graph P_m square P_n for odd n by adding an extra vertex above the graph and joining every other vertex of the top row to the addi...
阅读全文Saalschütz's theorem is the generalized hypergeometric function identity _3F_2[a,b,-n; c,1+a+b-c-n;1]=((c-a)_n(c-b)_n)/((c)_n(c-a-b)_n) (1) which holds for n a nonnegative integer and where (...
阅读全文The plumbing of a p-sphere and a q-sphere is defined as the disjoint union of S^p×D^q and D^p×S^q with their common D^p×D^q, identified via the identity homeomorphism. This is a special case of ...
阅读全文2020年7月8日上午9时整,由中国工业与应用数学学会(以下简称“学会”)联合中国知网(CNKI)、高等教育出版社,共同举办的“数学的重要性及其应用”系列公益讲座活动拉开了序幕。本次系列公益讲座特邀多...
阅读全文碰撞检测(Collision Detection)是计算机辅助设计和制造、计算机图形学、虚拟现实、数控技术、机器人学、分子动力学模拟等诸多科技前沿与工业领域的重要问题。准确且高效的碰撞检测算法是上述应用环境的共同需求.
阅读全文Arguably, all of scientific inquiry in modern times begins with some sort of model. A model takes different parameters you are studying and uses them to make some claim about how our world works. It i...
阅读全文有句古话叫“不以规矩,不能成方圆”。现代人习惯把“规矩”放在一起作为一个词语,但在古代,规是规,矩是矩,它们分别是古人用来测量和画图的两种工具:“矩”是一种标有刻度的折成直角的曲尺,而“规”是专门用来...
阅读全文A scientist might want to do cartwheels upon making a discovery, but this time the discovery itself ...
阅读全文Measurements from NASA's Transiting Exoplanet Survey Satellite (TESS) have enabled astronomers to gr...
阅读全文When two cars collide at an intersection -- from opposite directions -- the impact is much different...
阅读全文The revolution in our understanding of the night sky and our place in the universe began when we tra...
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