Chapter 470

Chapter 473

wearing a long plain dress, mulen stood in the dense crowd of Wanda Square and looked around.

Seeing a familiar figure in the distance, a moving smile appeared in her mouth, but it was quickly hidden.

Cheng Nuo came running panting, wiped the sweat on his forehead, and said with a smile, "isn't it about ten o'clock, it's only nine thirty, so early?"

Mu Leng glared at Cheng Nuo fiercely, raised his head, revealed his white neck, "I'm happy."

"Er..." Cheng Nuo touched his nose and begged for no fun.

"Well, I'll go with you to buy some clothes and go to the cinema after lunch. Let's go." Cheng Nuo subconsciously wants to hold Mu Leng's arm.

Unexpectedly, Mu Leng side, let Cheng Nuo embrace an empty.

"Let's go." Mu Leng glanced at Cheng Nuo with a light tone, and then walked forward first.

Aware of Mu Leng's resentment, Cheng Nuo knows what's wrong, and follows Mu Leng angrily.

"Well, ah Leng, discuss something with you?" When having lunch, Cheng Nuo hesitated for a long time and asked slowly.

Mu Leng raised his head and put down his chopsticks? "

" when shall we get married? " Cheng Nuo asked stiffly.

Mu Leng's body trembled, and his face appeared a touch of abnormal red.

She touched some of her hot face, and her voice trembled slightly. "You, why do you suddenly ask this?"

"Nothing, just ask." Cheng Nuo says.

Mu Leng gives Cheng Nuo a fierce look.

What do you mean, just ask?

I wanted to agree with you half heartedly, but now it seems that

"I haven't thought about it. Besides, I'm still in school now. I'll talk about it later." Muran replied.

Cheng Nuo drank a big mouthful of juice, "well, we'll discuss it later, we'll discuss it later."

…………

I stayed at home for a week.

Time came to the end of August, Tsinghua University there has been repeatedly urged.

Because the school will start soon, some affairs should be arranged well in advance.

No way, Cheng Nuo can only say goodbye to his parents and fly to Kyoto.

It is worth mentioning that Cheng Nuo took Muleng to the plane.

Mu Leng, who has just finished his undergraduate studies this year, is preparing to continue his studies in Yanjing University.

"Why don't you come to our Tsinghua University as a graduate student? I can take you." Cheng Nuo proposed.

"No!" Mu Leng shook his head and resolutely refused.

I treat you as my boyfriend, you want to be my teacher!

What's more, if Cheng Nuo is to be his mentor, he will always have to lower Cheng Nuo.

She would rather stay in Yanjing University than go to the next door to play a teacher-student relationship with Cheng Nuo.

"You really don't think about it. You know, there's a long queue for me to be a graduate student." Cheng Nuo is smiling.

Mu Leng held his arm and turned his head to one side. In any case, you will not refuse to come to you when you encounter problems that will not be met. "

"Er..." Cheng Nuo a Leng, think really is such a truth.

…………

It was afternoon when the plane arrived at Kyoto airport.

Take a taxi all the way to the university town.

With a helpless face, Cheng Nuo walks into Yanjing University with his suitcase. Cheng Nuo sighs and shakes his head into Tsinghua University next door.

Tsinghua university assigned Cheng Nuo a professor's apartment with a large area. Cheng Nuo was afraid of being alone, so he invited Mu Leng to live together.

By the way, it can save Mullen a lot of accommodation.

Cheng Nuo's purpose is very simple, but it seems that Mu Leng is not very appreciative. After staring at Cheng Nuo with the eyes of looking at animals, he turns and leaves.

To be honest, Cheng Nuo has a little heartache.

The faculty apartment building is located in the south of Tsinghua University.

This building Cheng Nuo doesn't come once or twice. After all, Professor Fang lives in this building.

Even if I haven't been back to Tsinghua for a year and a half, the memory of school has never been erased in Cheng Nuo's mind.

Cheng Nuo's apartment is located on the second floor, and the upper floor happens to be Professor Fang's residence.

Opening the door, Cheng Nuo glanced around and nodded with satisfaction.

Furniture, home appliances and other things are not lacking, but perhaps because no one has lived for a long time, the house is a bit cold.

After sorting out the luggage, Cheng Nuo went upstairs and knocked on the professor's door above the building.

"Cheng Nuo, are you back?"

Professor Cheng's face is opened by Pang Fang.

"Well. I'm back. After this time, I will not leave! " Silence, Cheng Nuo said with a smile.

"I know, I know." Professor Fang patted Cheng Nuo on the shoulder, "I've heard all about you in foreign countries. I didn't expect you to be better than I thought"It's still a teacher. You're a good teacher."

"Ha ha, you boy, don't stick gold on my face any more. I'm still very clear about my own level."

"Come, don't stand at the door. Let's go in and talk

Living room sofa, Cheng Nuo and Professor Fang sit down.

"During this period of time, you are very popular in the international geometry field. I can hear from you from time to time when I stay in China." Professor Fang said with a smile, "why, after coming back this time, or continue to prepare for the study of geometric direction?"

"No Cheng Nuo shook his head. "In the field of geometry, I've almost reached the limit. I can only expand in breadth, but in depth, it's hard to move forward."

"So, after returning home this time, I intend to make a different one."

"What? Number theory or algebra? " Professor Fang is very interested.

"BSD guess!"

Professor Fang was stunned.

Cheng Nuo's words are not surprising and endless, "I want to prove the complete version of BSD conjecture!"

After a while, Professor Fang stood up directly from the sofa.

BSD conjecture, one of the seven mathematical conjectures of the millennium.

Speaking of this conjecture, Professor Fang is no stranger at all.

A few years ago, Cheng Nuo, who was an undergraduate at that time, took a year to prove the simplified version of this conjecture: weak BSD conjecture!

But the weak BSD conjecture is not on the same order of magnitude as the complete version of the BSD conjecture.

A simple measure is that the weak BSD conjecture is only half of Jacobi's conjecture, but the complete version of BSD conjecture is five times more difficult than Jacobi's conjecture!

"Are you sure?" Professor Fang stares at Cheng Nuo.

"No, to be honest."

Professor Cheng rang's reply.

Cheng Nuo explained, "it's not 100% sure, but I think I can try it."

That is BSD guess after all!

Even in the seven mathematical conjectures, BSD conjecture is not the simplest one.

In the face of this towering mountain, Cheng Nuo is not confident that he will be able to climb it without really climbing it.

Moreover, compared with other mathematicians, Cheng Nuo has an advantage.

That is, he has proved the weak BSD conjecture, which will undoubtedly benefit him.

Seven mathematical conjectures!

It's a great honor to solve one of them.

Cheng Nuo long coveted, now, he is ready to start the impact!

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