When I came back from eating at Palmer Plaza, Senior Brother Luo, who was standing at the door of the hotel and pondering, was gone.

Lu Zhou silently blessed him in his heart, and was able to find the answer he wanted in the ethereal Hilbert space, and then took the elevator upstairs to return to his room.

When I opened the mailbox, Professor Deligne's reply had been received, and there was only one word in the whole article.

[Received.] 】

Mathematics is a rigorous subject, and every brick piled up on this edifice must be rigorously selected. The consequences of a wrong paper may not only be a retraction by the journal, but also a series of other papers that cite the paper and fall into a passive situation.

Especially when it comes to the proof of major mathematical conjectures, the review cycle is generally not very short.

Even at the report meeting, Lu Zhou wrote the proof process on the spot in front of all the math masters, even if no one found fault at that time, it does not mean that there are no flaws in the paper.

I believe that even Professor Deligne needs a little time to work out the details in the paper and ask for the opinions of other colleagues.

However, Lu Zhou felt that there should be no big problem, he himself was a person with mild obsessive-compulsive disorder, and he had checked the paper several times before uploading it.

But speaking of which, neither Dean Qin nor Director Lu even called themselves?

It seems that Lao Tang did not spread this matter hastily, and the mathematical community at home and abroad would not make a rash conclusion because of a mere video before seeing the paper. After all, applause doesn't mean much to mathematicians, no matter who applauds.

Thinking of this, Lu Zhou actually had some regrets in his heart.

Political factors aside, the "academic value" of the twin prime conjecture is logically a little higher than the Zhou conjecture, and the reward of one million may be the peak, but it is not too much to give it again, right?

Thinking that someone was going to give him money soon, Lu Zhou couldn't help but feel a little fluttering in his heart, and casually typed the keyboard on the computer.

[Xiao Ai, bless your master with another million, maybe I'll change your home. 】

Xiao Ai: [Master, do you love me? (wink)]

Yo? So smart?

Or where did you copy the chat history?

"Of course I love it.] 】

Lu Zhou replied by typing casually.

Talking QQ pets, who doesn't like them?

It would be perfect if I could dance again!

Xiao Ai: [Taobao link: IBM server (Xeon 8-core ultra-large capacity SSD...... Offer: 2.99 million]

Lu Zhou: ......

MMP！

Is it so realistic that it's not just girls' papers, but even artificial retardation now?

In this cold world, there may only be this hot CPU, and there is still a little temperature left.

With a sigh, Lu Zhou closed the lid of the computer without saying a word, sat on the edge of the bed, and began to pack his luggage silently.

Suddenly, he noticed the letter from old Mr. Grothendieck on the bedside table.

He had been so busy with his dissertation that he almost forgot about the letter.

With curiosity, Lu Zhou opened the envelope.

Probably to take care of the recipient, the letter was written in English.

Following the text, he read it line by line.

【

……

By the time you read this letter, maybe I've gone to another world.

Your research on the distribution of Mersenne primes is astonishing, and the proof is perfect beyond my expectations, and even I can't think of anything else to fault with it.

To be honest, this doesn't look like a paper that a young scholar can write, but maybe I'm blinded by old age, and I don't want to take an old man's confusion to heart.

To be honest, I am pessimistic about the proof of the Riemann conjecture. It took us three and a half centuries to solve the proof of Fermat's theorem, and the Goldbach conjecture has survived two and a half centuries, compared to the Riemann conjecture, which has only been proposed for a century and a half, and its importance has surpassed the sum of the previous two...... I don't think that's an exaggeration, although the public is clearly more interested in the first two.

From my point of view, all that we are doing now is nothing more than paving the way for future generations to solve these problems, which will eventually be solved and replaced by new ones...... It may take a century, or maybe two.

However, I see a hint of a turnaround in you.

Of course, maybe I'm too optimistic?

Because your paper really surprised me, I will write this letter a little longer. But at this point, it's time to end. I don't have much time left, and I have to save a little for the others.

I'm alone, I can't even afford to rent a bank safe, and I don't have anything else to give you, so I'll give you something interesting.

I have placed my writings in the church of Saint-Liziers, which contains some of the things that I have published but retracted, and some of which have not yet been published or are half-studied, in the hope that it will be helpful to you.

With this letter went to the priest of the church of Saint-Lizier, who knew what to do.

】

Where is the Church of Saint-Lizier?

Need to make a trip to France? Don't do that.

This is the age of the Internet, can't it be packaged into a PDF and sent to my email? Or does it have to be there?

Lu Zhou sighed and threw the letter into the suitcase.

It's impossible now, so let's wait until we have the chance.

There are certainly opportunities, Paris was the center of mathematics before the Cold War, and today after the Cold War, although it has declined, it is still glorious. As long as he was in the mathematical community, he would definitely have the opportunity to go to Paris for academic conferences.

And, if one day, he really needs to use this mathematical treasure, presumably even if he forgets about it, the system will somehow remind him of it.

……

The time of travel is always short.

In the early morning of the next day, Lu Zhou dragged his suitcase and went to the hotel counter to check out.

The school still had more than $1,000 left in the fund, and not only did he not spend all the money, but he also brought back a check for $10,000. According to Francis, the check can be cashed at any Citibank in the world.

Considering that it would be very troublesome to carry a large amount of cash through customs, Lu Zhou decided to wait until he returned to China to receive this bonus. As for the $1,000-plus, I'd like to buy some gifts here and take them home.

Standing at the door of the Princeton Hotel, Lu Zhou called Senior Brother Luo, but the phone rang for a long time and no one answered.

"Have you started to burst your liver in the lab?"

Now it's in trouble.

hesitated, and just as Lu Zhou was thinking about whether to call that fellow, a Ford stopped at the door of the hotel and honked its horn at him.

"Get in the car, I'll send you there." The windows were lowered, and it was Molina sitting in the car.

Seeing her face, Lu Zhou was slightly stunned.

He remembered that he had only told her in the email he had replied that his flight back to China would be about what time it was, but he had never told her when he planned to leave the hotel.

Is it such a coincidence?

Lu Zhou: "How did you know that I would leave at this point?" ”

"Psychology, social behavior, plus a little probability, if you are interested, you can take Todorov's social behavior and mathematical research methods in psychology," Molina blew a small bubble as she chewed gum, "I can convince my teacher to help you write a letter of recommendation, and there is no problem with your ability to study for a doctorate here." ”

Studying abroad at Princeton?

In fact, Lu Zhou has been thinking about this issue in the past few days, thinking about whether it is necessary. The scientific research environment here is very comfortable, the academic atmosphere in the university is very strong, and there is much less impetuousness than in China, which is indeed worthy of the name of a world-class strong university.

But for now, he can still learn at Jinling University, and life abroad is always not as convenient as at home.

If nothing else, he plans to finish at least his undergraduate degree in China before considering studying abroad for a PhD.

Seeing that Lu Zhou didn't speak for a long time, Mo Lina suddenly laughed and put her arm on the steering wheel.

“…… Okay, I'll just casually say that you might have your own arrangement, right? ”

Lu Zhou smiled and said, "Thank you for your kindness, but I need some time to think about this." ”

"OK, anyway...... My offer is always valid," Molina shrugged, "get in the car, don't be late." ”