Xueba starts with change

Chapter 273 Itinerary Confirmed

"There's still a week left, and you're going to America, right?" Yang Yiyi, who was beside Chen Zhou, asked with her head tilted.

"Yeah." Chen Zhou nodded slightly, "The academic conference starts on the 15th, and Dean Sun and I should leave the day before."

After a pause, Chen Zhou asked with a smile, "What gift do you want?"

Yang Yiyi tilted her head and thought for a while, then said softly: "If I bring ice cream back, will it melt?"

Chen Zhou was taken aback when he heard the words, and then gently scratched Yang Yiyi's nose: "Want to eat ice cream?"

Yang Yiyi wrinkled her nose, smiled and nodded.

"Let's go." Chen Zhou simply cleaned up the things on the table and stood up.

"Hee hee, good." Yang Yiyi stretched and stood up.

Seeing Yang Yiyi's stretched posture, Chen Zhou couldn't help thinking, this girl has such a good figure, is it because she loves sweets?

But why did the fat only grow in the place where it should be fat?

Noticing the look in Chen Zhou's eyes, Yang Yiyi stretched out her hand to catch Chen Zhou's arm, and as soon as she tried hard, she heard Chen Zhou's low cry.

"It hurts..."

"Hmph!" Yang Yiyi snorted softly, and slowly let go of her hand.

Walking out of the library, Chen Zhou was still rubbing his pinched arm, does eating sweets also gain strength?

"Does it still hurt?" Seeing Chen Zhou's actions, Yang Yiyi felt a little distressed.

Catching Yang Yiyi's gaze, Chen Zhou let go of his hand rubbing his arm, turned to grab Yang Yiyi's hand, and said with a smile, "It doesn't hurt anymore, but..."

Yang Yiyi asked suspiciously: "But what?"

Chen Zhou leaned in front of Yang Yiyi and said quietly, "However, my wife's figure is really good~"

"You, don't be ashamed..." Yang Yiyi just wanted to make a move, but found that both hands were tightly grasped by Chen Zhou.

"Haha, can't you hit it?" Chen Zhou replied with a smile.

Yang Yiyi thought for a while, then bit Chen Zhou's arm suddenly.

"I'll go..." Chen Zhou hurriedly let go and jumped away.

Glancing at Yang Yiyi, who was gearing up, Chen Zhou immediately said, "Yiyi, I was wrong..."

Yang Yiyi didn't really want to hit Chen Zhou again, there were so many people watching around here, she had already heard someone say: "Ah, the dog food is poisoned, there is another material for the post on the campus network..."

Yang Yiyi pulled Chen Zhou and left quickly.

Chen Zhou secretly thanked a group of classmates who were poisoned by dog ​​food, and said that he must sprinkle more dog food next time.

That's the only way to be safe...

11 month 10 number.

There are 5 days until the MIT Mathematics Conference starts.

Chen Zhou received a message from Dean Zhou, which was flight information.

By the way, Dean Zhou also explained the travel arrangements.

A total of five people went to the academic conference this time. In addition to Chen Zhou and Dean Sun of the School of Mathematics, there were three professors.

It was the first time Chen Zhou heard the names of the two of them.

But he had heard about the other one.

Xu Chenyang received a Ph.D. from Princeton University, the No.1 school in mathematics, won the National Science Fund for Distinguished Young Scholars last year, and was named the Changjiang Distinguished Professor of Yenching University.

This is a genius mathematician who was once known as "Xu Shen" at Yanda.

Also known as the big brother of the "Three Musketeers of Yan University".

The "Three Musketeers of Yan University" refers to Yun Zhiwei, Zhang Wei, and Zhu Xinwen, all of whom are undergraduate students of Yan University's Class of 2000.

However, the current "Three Musketeers of Yan University" have all stayed in the United States to teach and did not choose to return to China.

They are also known as the "Golden Generation" of Yanda Mathematics.

After Chen Zhou solved the Hail conjecture, he also heard a lot of comments comparing him with them.

However, no matter good or bad, Chen Zhou didn't care much.

So after learning that Xu Chenyang would also go with him, Chen Zhou was not surprised.

After all, there are many benefits to participating in more opportunities for such academic exchanges.

As the leader of the new generation of Yanda University, Yanda University will not let go of this opportunity to cultivate talents.

But Chen Zhou hasn't met this "big brother" at the Yanjing International Mathematical Research Center, so this time he can communicate on the road.

Although Xu Chenyang's research is mainly in the field of algebraic geometry, no mathematician can reject the charm of number theory.

After the itinerary was confirmed, Chen Zhou finally began to prepare the content of the 10-minute report.

Through the "training" of the hidden mission last time, Chen Zhou already knew that a real master of speech does not need manuscripts.

Those prepared manuscripts are only reserved for those who are not prepared.

Someone like him, who has already engraved the proof of the Hail Conjecture in his mind, still needs a speech?

After spending nearly half an hour, Chen Zhou simply made a PPT and posted some core proof processes on it.

Well, I still have to make a PPT...

After the PPT is completed, save it and copy it to the U disk, and it is over.

Chen Zhou turned his head and plunged into the world that Kramer conjectured.

He had a new idea about that Kramer's modified conjecture.

"If you look closely at Kramer's revised conjecture..."

Chen Zhou made a list of numbers on the draft paper.

This table of numbers is not a list of composite numbers for the proof method of Erdous conjecture.

It was obtained by Chen Zhou by making changes on its basis.

After listing the numbers, Chen Zhou took a pen and started counting.

The expression of Kramer's revised conjecture is, (Pn+1≤N)max(Pn+1-Pn)≈logN(logN-loglogN)+2.

The circled by Chen Zhou here are the numbers corresponding to (Pn+1≤N)max(Pn+1-Pn) and logN(logN-loglogN)+2 respectively.

This method is actually somewhat similar to the sieve method.

The sieve, also known as the sieve of Eratosthenes.

The specific method is to first arrange the N natural numbers in order.

1 is not a prime number, nor is it a composite number, just cross it out.

2 is a prime number, stay.

Then cross out all the numbers after 2 that are divisible by 2.

The first uncrossed number after 2 is 3, leave 3.

Then cross out all numbers after 3 that are divisible by 3.

By analogy, all composite numbers not exceeding N will be screened out, and all prime numbers not exceeding N will be left.

Of course, this is just a simple statement.

The sieve method is widely used, starting from the four-color theorem, to constructing infinitely many pairwise connected areas, to the study of Goldbach's conjecture, and so on.

And the person who used the sieve method to the extreme is Mr. Chen.

The old man who pushed Goldbach's conjecture to "1+2" ​​brought the sieve theory to its peak in the process of studying Goldbach's conjecture.

Until now, it has been impossible to go any further.

Chen Zhou naturally knew that the use of the sieve method had basically reached its limit, and it was difficult to make a breakthrough.

But it does not prevent him from looking for ideas from this aspect.

"If you use the formula of the sieve method to verify (Pn+1≤N)max(Pn+1-Pn)≈logN(logN-loglogN)+2..."

As time passed, Chen Zhou gradually frowned.

"Kramer's correction conjecture itself is a change made with an approximate value. If a formula is used, it is not equivalent..."

"On the contrary, if we go on like this, we will go back to Kramer's conjecture itself..."

Chen Zhou put down his pen, temporarily separated from the research in front of him, and turned to open the literature on the computer to read it.

Looking at it, his eyes suddenly brightened.

(End of this chapter)