The problems that Han Sen talked about on the rostrum were basically talked about in his study last night, and in the time of last night, Han Sen had solved problems for many mathematicians.

And on the morning when Han Sen was resting, the mathematicians who stayed in Han Sen's study last night had been surrounded, and other mathematicians came to them to ask questions.

Therefore, Han Sen, who was standing on the rostrum at this time, explained a lot easier, and he didn't need to be too detailed, many people could follow Han Sen's train of thought.

As for the scholars and a group of students who couldn't keep up with Han Sen's explanations, they didn't come to ask questions and learn.

They came thousands of miles to this small village in China, just to witness history and witness the moment when the "damned goddess" in the minds of mathematicians all over the world finally "took off her skirt" for the world.

Whether it is a Mersenne prime, a twin prime, a Goldbach conjecture, or Fermat's theorem, each of Hansen's proofs is enough to change the world.

In the auditorium, whether they can understand it or not, everyone listens very attentively, after all, there is still a big difference between a "goddess" appearing in a photo and standing in front of her alive.

At this time, Han Sen standing on the stage was a young goddess to everyone, and his every move was really fascinating.

......

About 250 years ago, the German numerator Goldbach discovered the phenomenon that any integer greater than 5 can be expressed as the sum of three prime numbers. He verified many figures, and this conclusion was correct. But he could not find any way to prove it theoretically and thoroughly, so he wrote a letter on June 7, 1742, to consult Euler, a famous mathematician who was then working at the Berlin Academy of Sciences. Euler pondered the question seriously. He started by checking a long list of numbers:

6=2+2+2=3+3

8=2+3+3=3+5

9=3+3+3=2+7

.......

In 1938, Chinese mathematician Hua Luogeng proved that almost all even numbers can be expressed as the sum of the powers of one prime number and another prime number.

In 1957, Chinese mathematician Wang Yuan proved it

In 1962, Chinese mathematician Pan Chengdong and Soviet mathematician Barban independently proved it;

In 1963, Pan Chengdong, Wang Yuan, and Barban all proved again.

In 1966, Chen Jingrun, a young mathematician in China, finally proved it after making important improvements to the screening method. His proof shocked China and the rest of the world, and was hailed as "driving the mountains," and was named "Chen's theorem". He proved that any sufficiently large even number can be expressed as the sum of two numbers, one of which is prime, and the other is either a prime number, or a product of two prime numbers.

Now the proof is one step away from the final result. And this step is extremely difficult. More than 30 years have passed, and this step has not been taken. Many scientists believe that new methods must be created to prove that the previous path is no longer working.

Chinese mathematicians have been walking on the road of Goldbach's conjecture, and at this moment, the pearl of "Goldbach's conjecture" has carried the head of Han Sen, the "goddess".

......

In the front row of the auditorium, the two old men listened to Han Sen's explanation and sorted out the papers in their hands before speaking: "He is so young! ”

"He's only twenty-seven, and his team is younger." Looking at his students on the stage, Professor Lambert nodded approvingly and continued to speak: "You know, I liked him very much when I first met him, he was very polite and genius, but there was no trace of rebelliousness, he was very comfortable. ”

Sitting next to Professor Lambert was Lambert's old friend, Professor Deligne, who teaches in the Department of Mathematics at Tsinghua University, and he said with envy: "Professor Lambert, you are even more powerful, Han Sen and Yao Ruzhi are your students!" ”

"Hahaha, that's!" Lambert doesn't care, whoever wants to move Han Sen will be in a hurry, yes, what a face, this Han Sen who changed the world is my Lambert's student!

......

"Here, we let n denote a sufficiently large even number, and we can let px be the number of prime ps satisfying n=p1+p2, cn=......"

On the rostrum of the auditorium, Han Sen seriously answered the questions that were raised.

In the live broadcast room, everyone has been discussing with a barrage full of screens:

"How big is a sufficiently large even number, isn't mathematics all about precision?"

"Hahaha!"

"Hahaha, this is the most powerful math question I've ever seen: how big is a sufficiently large even number?"

"Bar Spirit!"

"A wave of wealth and green~~"

......

It's been an afternoon since the live broadcast, but the boring math academic live broadcast has not reduced the number of people watching the live broadcast in the slightest.

The bigwigs who can really understand Han Sen's papers are basically in this auditorium, and 99.999% of the audience in the live broadcast room can't understand it at all, but this has not affected the degree of this live broadcast at all, the real-time data reality of the scarf, and the number of viewers in the world has exceeded 100 million at this moment.

The scarf has successfully gone international.

......

The restless auditorium attracted the setting sun of the west, and the afternoon passed without realizing it.

As Han Sen's mentor, Lambert had read Han Sen's papers no less than ten times, and had found out a lot of problems, and the questions listed in his notebook were crossed out one after another in the afternoon, and all the fog in front of him was removed.

The sunset shone on Lambert's book, very bright, but even if it was bright, it was also a sunset, which meant that an era was drawn to an end, and after the next darkness, there was a new era.

After the new question was answered, Han Sen, who had a hoarse voice, took a sip of the warm water handed by Zhang Bin, and the entire auditorium fell into a very solemn silence, and all Han Sen standing on the rostrum could hear was the sound of the tip of the pen slashing across the white paper in the audience.

A very solemn silence was broken by Han Sen: "Is there still a problem?" ”

Is there a problem? With such a large auditorium, so many audiences, and such a difficult proof, there must be many people who have questions, but not all of them are qualified to ask questions, this is a tacit understanding, and only a group of old people from various countries around the world are qualified to ask questions.

The auditorium was silent for a moment, and then a group of elderly people sitting in the core area rose up and applauded excitedly, followed by a standing ovation from the audience.

The surging intensity that erupted in the auditorium also infected the world with the live broadcast screen:

"Oh my God, how did I cry!"

"yes, all my goosebumps, it's shocking!"

"So handsome!"

......

"Thank you!" Han Sen respectfully bent down and saluted the entire Great Hall.

The proof of Goldbach's conjecture has given birth to a new tool for the world mathematical community, and of course, it has also given birth to a useful tool for human beings to study Han Sen's Xintai cryptographic core calculation.

Mathematicians all over the world have set their sights on the core calculation of Xintai encryption, and in fact, the core calculation of Xintai encryption contains many conjectures of Han Sen's own.

Han Sen has solved many problems in the field of number theory, but it has not reduced the challenges in the field of number theory, and in the next few hundred years, mankind's research on the Xintai cryptographic core equation left by Han Sen has promoted the development of mathematics as a whole.

There are also countless mathematicians who have won the Fields Medal, the highest award in the world's mathematics community, for their research on the core algorithms of Xintai's encryption.

Han Sen solved the problem, but left more problems behind.