The Corinthia hotel lobby.

Passing the passport to the staff at the front desk responsible for check-in, and glanced at the Feverman Professor in the direction of the door, and suddenly had a chat and asked.

“The level of security here seems a bit unusual… What other activities are there besides the International Mathematics Conference?”

“No, mister,” completed the registration of the check-in information and handed the passport back to the Fefferman Professor, the front desk staff patiently explained, “The highest level of meeting in 30 days will be Two days after the International Mathematics Conference, during the duration of the conference, the Klinkia Hotel will provide the highest level of service for the conference, and I wish you a happy next week.”

“…so, thank you.”

With the passport removed, the Fefferman Professor nodded to the front desk with a smile, then moved towards the side of the watch, Professor Pierre Deligne walked over.

“He really came! I said that he would not miss this interesting meeting!”

Excited in excitement, the face of the Fefferman Professor hung with his age, like watching a game that didn’t kick the first goal until the last ten minutes, and chanted him happily. I have said countless times on this road. “I don’t know which step he has taken in his research. It is really exciting!”

Expressionless looking at his old friend, originally prepared to spit out his arrogant Professor Pierre Deligne sighed, changed his mouth.

“You didn’t look at thesis he posted on the official website?”

Fefferman: “Look, what happened?”

Pierre Deligne: “Then why would you ask such a question? If he has made any new achievements, you will definitely see it on that thesis. If not, then there is no, I don’t know if you are looking forward to it. What is it.”

Fefferman: “Because intuition tells me that his research in the past year is definitely more than just that.”

Professor Pierre Deligne’s eyebrows were picked.

“So, do you understand him?”

There was a hint of temper in that tone, and there was no malicious mockery, just like most Princeton’s professors, more or less with a little Princeton-style arrogance.

But I don’t know if I didn’t hear it, or I have been used to the character of this old friend, so I didn’t pay attention to it. Fefferman Professor is just nodded, confidently said.

“That is of course, after all, we have worked together, I am confident that I still have this.”

Hearing the old friend’s confident speech, Pierre Deligne faintly laughed and said in disapproval.

“Then you probably have to be disappointed because of your self-confidence. I have noticed all thesis he has published in the past year. The quasi-GFB Riemann’s Conjecture and the hyperelliptic curve method are his only research results on the Riemann zetafunction. Later, he even went to study the economics with Krugman’s old man. It seems to be called the LZ model… Anyway, it is something similar.”

In general, one of the directions that Scholar is studying is that he can find some clues from his recently published thesis.

From the end of last year, or the beginning of this year, from the differential topology to discuss the Sullivan conjecture of manifold classification, and then to the LZ model of economics, no matter which research result, there is no relationship with Riemann zetafunction.

No matter how optimistic, Professor Pierre Deligne can’t imagine that there is still a little bit of possibility in this half year, he is still studying the proposition related to GFB Riemann’s Conjecture, instead of having chosen to give up…

To be honest, Pierre Deligne is actually somewhat disappointed with this result.

His disappointment is not due to the achievements that Lu Zhou has achieved. After all, Lu Zhou’s current achievements are already quite proud, and it is impossible to pick up the problem.

However, this is only for ordinary people.

For a scholar like him, only the true crown that has stood on the Everest will be taken away. Only by truly solving the propositions that plague the vast majority of the world’s mathematics will it be possible to further advance his academic achievements.

Therefore, the research in the conjecture has achieved such fruitful results, but at the end chose to give up, this is the place that really makes Professor Pierre Deligne feel sorry.

If even he can’t solve this problem, maybe this guess is really only to stay until the end of the century, and wait for a more talented and more intuitive intuition in mathematics, and hopefully solve it…

From the expression of Professor Pierre Deligne, he felt a little bit of his concern, but Fefferman Professor was only slightly sloppy, and said in a relaxed tone.

“I think you are thinking too much.”

The eyebrows were lifted up and Professor Pierre Deligne apparently said unbelief.

“Oh? Do you know what I am worried about?”

Fefman: “Of course I know, after all, we have cooperated more than once. You are always confident in your analysis, but you have to admit that sometimes when people care too much about one thing, his sight is often narrow minded.”

“Do you mean that I am narrow?”

“Yes, especially the way the problem is viewed, don’t you consider this possibility, perhaps because he found the connections we have not found in these problems? This is not uncommon. ”

When it comes to the Fefferman Professor, Professor Pierre Deligne said sharply, “But this possibility is very small. I have studied several of his thesis, and the places outside the mathematics are not very good, but in terms of mathematics itself, The mathematics method used in it does not make much sense for the study of the Riemann zetafunction, and even the thesis have no linear or progressive association with each other in the mathematical sense.”

Fefferman Professor: “Maybe we just can’t see… It’s useless to say more, do you want to make a bet?”

Professor Pierre Deligne frowned. “What are you gambling?”

Fefferman Professor smiled confidently and said: “I bet that his research results are definitely more than just the beginning of the year, and I have never given up on GFB Riemann’s Conjecture.”

“if not……”

“He will not arrange his 60-minute report meeting in the last game before the closing ceremony.”

……

The two old men in front of the elevator are still arguing whether Lu Zhou is still studying the issue of GFB Riemann’s Conjecture, sitting on Lu Zhou and Schultz on a taxi to the suburbs of St. Petersburg. The topic is also around GFB. Riemann’s Conjecture.

“…haven’t you made any new progress in the past six months?”

“Maybe it’s not just half a year, maybe half a year,” Lu Zhou said with a helpless expression on his face, leaning against the back seat of the taxi, shaking his head and saying, “I tried the hyperelliptic analysis. I have made improvements and tried to find the answer from the theory of group structure, but it still doesn’t help. I often have some thoughts that I think terrifying myself. Maybe GFB Riemann’s Conjecture is correct, but it is Can’t be proven.”

“It’s not just that you feel like this alone, but I think you can have a little more point of view,” shot Lu Zhou’s shoulder. Schultz continued, “At least, he can create super-elliptic curve analysis such excellent mathematics. Tools, even the quasi-GFB Riemann’s Conjecture, which has proven to be unpredictable for a century, is better than most people.”

“But it makes no sense to me,” Lu Zhou sighed said. “I believe you should be able to understand this feeling.”

Schultz: “No, I can’t, thank you.”

Lu Zhou: “…?”

After nearly a few minutes’ drive from 40, the taxi finally arrived in the suburbs of St. Petersburg, and the nearby buildings gradually returned to the simplicity of the bustle and bustling.

According to the taxi driver, the belt is known as the mathematics Holy Land, the Szczów mathematics Institute is located on this ancient stone road, and a mathematics who refused Field’s Medal lived nearby. .

At the same time, the Fontanka Canal, which flows through the center of St. Petersburg, and the stone brick roads, street lamps and benches beside the river, are also the men and women in Dostoevsky’s novel White Nights. The place where the heroes meet.

After getting out of the car, Schultz took Lu Zhou to the neighborhood.

Most of the houses in the nearby area are similar to the ones in the domestic single-family apartment, which is very suitable for young people to live in, but it is hard to say how many young people will live comfortably in this remote suburb.

After walking alongside Lu Zhou and Schultz, Wang Peng suddenly said.

“…you have already turned around here.”

Upon hearing this sentence, Schultz’s face showed a helpless smile, and stopped to catch some of the long hair behind the head.

“In fact, the last time I came here was a long time ago. This kind of window densely packed apartment building is very tricky. If you don’t come often, you can’t remember where…” Lu Zhou face The expression on the face gradually became speechless, and Schultz stopped the conversation and coughed and said, “I still ask someone to ask.”

There is a photo of Perelman in Schultz’s mobile phone, but it doesn’t matter. It doesn’t matter if Google can easily find it.

I have to say that the handsome man is still a bit superior. Whether it is men, women and children, in the face of the smile of the sun, most people will be very enthusiastic after hearing his request.

As for the coldness…

Of course, the benefits are also there.

At least when you are in seclusion, don’t worry too much about being disturbed.

“Do you know this person?”

Staring at the photo in Schultz’s mobile phone, the Russian girl who had been smiling very brightly, suddenly subconsciously wrinkled her eyebrows.

“Who is this? Terror/terrorist? Or is it a behavioral artist?”

Do not blame her for showing a disgusted expression, after all, the man on the photo, the image does not dare to compliment.

The untrimmed beard climbed over the chin, and the thin curly hair pulled back like a dog’s tail. Although the shape and Schultz’s hair were somewhat similar, they showed two different styles.

It’s like a plaid shirt, some people can wear the feeling of idols, but some people are like a program.

Sighed, Schultz said with some nerves: “Sorry, I will go next to ask.”

The Russian girl smiled and said: “I wish you good luck, but I think you still give up better. I have not seen this person for two years.”

Asked a circle, no one knows this photo.

Occasionally, several people recognized that this person seems to be a well-known mathematics home, but also had news, but when he heard that he lived nearby, only a few people who recognized him shook his head.

It is not to deny the possibility that he lives here.

It’s just pure, there’s not a single impression.

Just at Lu Zhou, I couldn’t help but wonder if this lonely hermit was moving. Finally, there was an old man who not only recognized the picture in Schultz’s hand, but also was familiar with him, touching the chin. Said.

“I know him. He used to work at the Institute of Mathematics in Szczólov, a famous mathematics home…”

Lu Zhou immediately: “How long ago?”

The old man’s mouth made a dry laugh, as if recalling something like it, “about a dozen years ago, when I was still a guard at the Czechoslovakia mathematics institute, I often watched him wearing a Dilapidated jeans and shirts go to work. This guy is not only the identity of the mathematics family, but also one of the very best weirs in the institute.”

Lu Zhou: “…”

a decade ago……

At that time, he was still in high school.

Is it already such a distant thing?

Then Lu Zhou’s question, Schultz continued to ask: “Would you like to know where he lives?”

“If he didn’t move or die, he probably stayed there,” raised his finger, next to an apartment building, the old man continued. “I only know that he lives in that building, but where is it?” You still have a little trouble, it is better to ask from his neighbors.”

Seeing the direction that the old man pointed, Schultz and Lu Zhou were in the same sighed in relief, and their faces showed a grateful expression.

“Thank you! Help me a lot.”

After all, Schultz took Lu Zhou and Wang Peng and walked in the direction of the old man.

Soon after arriving at the apartment downstairs, Lu Zhou and Schultz discussed it. When I started to inquire from several floors, I happened to see two foreign faces standing next to the entrance of the apartment building.

Even better, one of Lu Zhou still knows.

It was the Paul Krugman Professor who had seen him in Shanghai some time ago…

The two apparently did not notice him, standing in front of the entrance of the apartment building, 嘀嘀gu gu whispered.

“I doubt if we are going wrong,” looked at the apartment building in front of him, and Albert groaned. “Is this a place to live in seclusion?”

“It can’t be wrong, this is the address given to me by the IMU Secretary.” I glanced again at the small note in my hand and confirmed that the address was here. Krugman said in a positive tone, “No matter how much I am not.” Admit the wrong way.”

Albert continued to ask: “What if he doesn’t want to open the door for us? If he doesn’t open the door, we can’t even determine if he is inside, or ignore it.”

Krugman: “You don’t know him. Although he seems to be an inaccessible guy, if he asks him some mathematics questions, he will answer you very patiently. The attitude is surprising.”

Albert raised his eyebrows and said, “Have you ever been in contact with him?”

“No, but I know a beautiful lady who worked at the Institute of Science in Szczólov, she told me that,” paused, Krugman continued, “Listen, my friend, we Don’t be discouraged. If there is a possibility to have a good old man who can help us in addition to the arrogant Princeton, it is only here.”

Albert Sighed, continually said: “In fact, I am inclined to cooperate with the Foundation Professor. His Lu-Bewley model and LZ model are a godsend, especially through the calculation of the research ideas for macroeconomics, and My research is just a coincidence!”

“Don’t think about it, I want to bring Faltings if I can, but is this possible? I only saw that guy at the beginning of the year, obviously a young people, sometimes even more than the old fogey of Princeton. Stubborn, let alone our plan -“

Just as Krugman was screaming and screaming at Lu Zhou, a familiar voice suddenly came from the side.

“I really want to hear my name, and it seems to be saying something bad about me.”

The two people who were talking were shocked by the sudden sound.

In particular, Krugman, like a ghost, really jumped to the side and looked at Lu Zhou.

“Hell, where did you come from?”

“I came to St. Petersburg to attend the IMU conference,” answered Lun’s truthfully. Lu Zhou then looked at Schultz next to him. “It’s just that the mister invited me to visit his old friend, so I came over. ”

Staring at Schultz for a moment, did not recognize the young people, Krugman Professor frowns said.

“you are……”

“Schultz,” took the initiative to extend the right hand, and the two old men shook hands, Schultz smiled nodded and continued, “I am very happy to know two.”

“…Krugman, Princeton University’s Economics Professor, the one next to me is Albert Laszlo Barra Brazil, a novel whose name is more famous than the science.”

“Hey, wait, what is a novel more famous than learning? You are this old thing, you are sure your eyes are gone -“

Ignoring Albert, who was protesting beside me, watching Schultz’s Krugman Professor, continued with a stern look, “You and Perelman are familiar?”

Upon hearing this question, Schultz’s expression became a bit subtle, shrugged said.

“I think I should be familiar with him, but… I don’t know how he sees our friendship -“

“What are you doing here? Partying?”

The sound suddenly coming from the side interrupted half of what Schultz said.

Just like what happened to Krugman and Albert, I saw a tall, burly man with a pair of worn-out jeans and shirts carrying two plastic bags stuffed with cheap ingredients. I don’t know when to start. Already walked to the end of the entire group.

I have to say that his undressed dress, the sense of existence is indeed low enough, and all walked to such a close place, no one realized his existence.

But when he was discovered, Krugman’s face immediately showed a bright smile and extended a right hand to him.

“Hello, Dear Perelman Professor… I am Krugman, I have made an appointment with you in the mail.”

“I haven’t been a Professor for a long time,” muttered in Russian. Perelman’s gaze swept through several people and suddenly stopped on Lu Zhou’s face.

After a while, he spoke openly.

“You are Lu Zhou?”

“It’s just awkward,” Lu Zhou nodded, friendly. “I’m glad to meet you.”

“Me too,” although I wanted to raise my arm and Lu Zhou to shake my hand, but both hands were carrying something, and Perelman shrugged and had to give up.

“…I have something to say in the house, you will block the aisle.”

Both Schultz and Lu Zhou hadn’t had time to speak, and Krugman’s Professor had a big smile on his face and quickly agreed.

“Thank you for your invitation, I also think it is better to go to the house.”

Did not go to the Krugman Professor, Perelman’s line of sight in the face of several people in turn, and finally stared at Wang Peng for a while.

“You don’t look like a Scholar, nor do you have a problem.”

The tone of the speech is not very welcome.

Wang Peng is nodded, ready to explain the nature of his work, but was interrupted by Lu Zhou’s soft cough.

“You are waiting for me here for a while, I will be down soon.”

The expression on his face was somewhat hesitant, but after looking at the face of Perelman’s face, Wang Peng was still nodded.

“Ok.”

“If you have something, remember to call me.”

This so-called phone call is of course not the kind of dialing number, but the keyword-triggered alarm device set by Lu Zhou on his mobile phone.

Seeing the worried expression on his face, Lu Zhou smiled and patted his arm.

“Be careful, it’s not bad, but don’t be too nervous.”

“Wait for me here, I will come down later.”

After all, the entire group left Wang Peng in the same place and walked upstairs.

(In reality, there is something wrong. If you are not busy, you will not be divided into chapters today. Although there is only one chapter, it is actually the same as the two chapters.)


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