Maths Problems To Solve

Although not all math questions need you to find a pattern, it is how Einstein, Stephen Hawking, and many other prominent minds considered mathematics. Some love it but, if we’re being honest, most people hate studying maths.

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For a 4D hypercube, for instance, there are 16 different points, which means 16 different strings of 1s and 0s that are four digits long.

Now pick half plus 1 individual points on the hypercube (for a 4D hypercube, that means pick nine — or 8 1 — different points out of a total of 16).

It's not that hard to check 16 coordinates on the cube (or "strings") for neighbors, for example.

But every time you add a dimension to the cube, the number of strings doubles. [A Mathematician Just Solved a Deceptively Simple Puzzle That Has Boggled Minds for 64 Years]The set of strings that's 30 digits long — the coordinates to the corners of a 30-dimensional cube — has more than 1 billion different strings in it, meaning the cube has more than 1 billion corners.

For simplicity's sake, imagine a 3D cube with sides that are each 1 unit long.

If you put this cube into a 3D coordinate system (meaning it has measurements in three directions), one corner would have the coordinates (0,0,0), the one next to it might be (1,0,0), the one above it might be (0,1,0) and so on.This is why mathematicians like proofs: They show that something is true in every case, not just the easy ones."If n is equal to a million — this means we have strings of length 1 million — then the conjecture is that if you take 2^1,000,000-1 and add 1, then there is a string that has 1,000 neighbors — the square root of a million," Kalai said.The last major advance in the sensitivity conjecture came in 1988, Kalai said, when researchers proved that one string has to have at least the logarithm of n neighbors. Instead of relying on calculators, students learn strategies that can improve their concentration and estimation skills while building number sense.And, while there are educators who oppose math “tricks” for valid reasons, proponents point to benefits such as increased confidence to handle difficult problems.You can take half the corners (four corners) without having any pair of neighbors: (0,0,0) , (1,1,0), (1,0,1) and (0,1,1) aren't neighbors.You can show this by looking at the cube, but we also know it because all of them are different by more than one coordinate.The sensitivity conjecture is about finding how many neighbors you have when you take more than half the corners of a higher dimensional cube, or a hypercube, said Hebrew University mathematician Gil Kalai.You can write the coordinates of the hypercube as strings of 1s and 0s, where the number of dimensions is the length of the string, Kalai told Live Science.It's mysterious, he said, because even though mathematicians understand why the method worked in this case, they don't fully understand this new "music" or in what other cases it might be useful or interesting."For 30 years, there was no progress, and then Hao Huang settled this problem, and he found a very simple proof that the answer is the square root of n," Kalai said. people realized that this question is very important in the theory of computing."Huang's proof is exciting because it advances the field of computer science, Kalai said.But it's also noteworthy because it introduced a novel method, and mathematicians still aren't sure what else Huang's new method might allow them to accomplish.


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