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... "

Sophie Hyman nodded solemnly.

Pang Xuelin couldn't help crying and laughing. The students themselves are quite confident.

The Hopf conjecture is one of several conjecture statements proposed by the German mathematician Hopf in differential geometry and topology in 1931, and is also an open problem in the overall Riemannian geometry.

Almost a hundred years ago, no mathematician can prove it.

The simple expression of this conjecture is: For a compact and boundl ...

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Lu Zixin has a Black Technology Chat Group of the Ten Thousand Realms , and the group members are the science and technology giants of the world.

Tony Stark : “Group owner, I will send this War Machine Mark II Armor to you!”

Red Queen : “Group owner, do you want to try the latest T virus ?”

Skynet : “Group owner, where is your world? I am going to destroy it.”

Bruce Wayne : “The Batmobile is simply used to pick up girls and today I have a great girl. Do you want to see it ?”

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Little Spidey : “I don’t care, I don’t care, do not send me the red envelope, I will retreat!”

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eat human?

Not quite.

what is that?

The most basic food intake is life. When a life is born, a mark will be carved on the root; after death, another mark will be carved, and the gap between the two marks is eaten by God.

life? Is it too slow to eat?

Therefore, what God likes to eat most is the rise and fall of the regime. The birth, growth, change, and demise of a regime will also engrave a mark on the root cause, and the energy obtained at this time is far greater than that provided by life. Among them, the energy obtained from demise is the greatest.

Ah, this republic has existed for 600 years, it’s delicious, and now it’s a matter of making it perish, and then mass-producing barbarian kingdoms? Or make him an empire? How should I eat it?

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