Dr Hugh Ross believes there are several clues that can point to there being life after death - although his claims are ...
Now, a scientist reveals the five clues that an afterlife really does exist - from UFOs to near death experiences (file photo ...
百年前日本数学家挂谷宗一提出了一个趣味性的平面几何谜题。当把题目中平面的条件推广至一般的n维空间后,则由此发展出了名为“挂谷猜想”的重要命题。分析学家随后意识到,挂谷猜想与当代数学领域里最重大的未解决问题之一紧密相连,故而其成为几何测度论的核心,为这一新兴领域开辟了广阔的研究空间。然而,长久以来数学界仅解决了2维空间里的挂谷猜想,3维空间就像是坚不可摧的堡垒,人类发展至今的数学武器均难竟全功——直 ...