Chapter 435 The Magical Uses of Life Assistant

The interview lasted for nearly half an hour.

Originally, according to Director Xiong Weizhao's plan, the interview was about an hour, but considering that Academician Xu needed to take the high-speed rail back to Jinling, a lot of time was compressed and some problems were eliminated.

After the interview, Xu Chuan took his luggage, said goodbye to the two and set off on his way home.

Standing at the door of Beihai Hotel, Xiong Weizhao looked at Xu Chuan's back as he left in the car, feeling a little emotional.

Having worked at CTV for so many years, I have also interviewed and met countless scientific researchers, scholars and even politicians, but this is the first time I have seen such an outstanding person like this one.

There are many academician-level scholars, but like this one, there is probably only one scholar in this society who can reach the heavens and directly influence the entire country and even global development.

Looking at the back of the car leaving, he suddenly turned around and looked at Sun Yutong standing beside him, smiling kindly: "Yutong, I didn't expect that you have such a good relationship with Academician Xu. Remember to keep in touch in the future."

Sun Yutong looked at the departing car and then looked at the director. For a moment, she didn't know what she was thinking.

Contact?

As for the contact information, she did have it.

A few years ago, when she first went to Sweden to participate in the Crafford Award, she added the contact information of Academician Xu when she was doing an interview.

It's just that in the past few years, except for some polite greetings on holidays, there has been no contact between the two.

To be honest, as a girl, it is normal to consider a partner at her age.

It's just that her vision seems to be a little too good.

Before she made a move, the other party had already reached a height that was out of her reach.

If she wants to try again, I'm afraid she doesn't think she has the courage.

It was quite late when she returned to Jinling from the capital.

After taking a shower, Xu Chuan dried his hair and sat in the study.

Although he hadn't been home for a few days, the villa was still clean, without even a speck of dust. Probably because he was away, someone would come here every once in a while to clean up or something.

Turning on the computer, he clicked on the document that recorded various work before, recorded the recent related matters, and then began to make an arrangement for the next work and research direction.

Now that controlled nuclear fusion technology has been achieved, he has planned the next goal, but it is still relatively rough overall.

As for now, it's time to make a new plan for myself.

It's almost enough to rest for such a long time.

After all, the brain of a scholar, or a scientific researcher, cannot be abandoned for too long.

After thinking for a while, he opened his own notebook and wrote down the two terms mathematics and aerospace engines on it.

Mathematics is his own path.

In any case, even if controlled nuclear fusion technology is achieved, Xu Chuan is not going to give up the field of mathematics.

On the contrary, in the next few years, he will focus more on mathematics.

Although he has solved two millennium problems, there are still many areas that he has not yet stepped into and needs to learn in the vastness of mathematics.

As for the aerospace engine, there is no doubt that it is prepared for the breakthrough of aerospace technology.

After the realization of controlled nuclear fusion technology, it is necessary to move towards the sky.

But as far as the current situation is concerned, whether it is China, the United States, or the European Union and other countries, there has not been much progress in aerospace technology.

To say that the peak of aerospace can even be attributed to the famous "Cold War" of the last century.

In that turbulent but competitive era, aerospace ushered in the most glorious moment in human history.

A series of miracles such as launch vehicles, unmanned launches, manned moon landings, space shuttles, and Saturn V super-heavy launch vehicles were created at that time.

But now that decades have passed, the aerospace technology of various countries is still being hammered and patched. Not to mention progress, it may even regress.

As early as decades ago, Suomi had achieved manned lunar landing, but decades later, manned lunar landing is no longer in the plans and arrangements of various countries.

Of course, this is also related to the fact that aerospace engine technology has not made any breakthroughs.

In many science fiction novels or science fiction movies, aircraft can always provide power for the entire interstellar journey.

But in reality, the engine technology of rocket thrusters cannot achieve this at all.

Compared with the exposed propellant tank, the engine of chemical rockets looks small, but its appetite is big.

"Eat a lot, but work efficiency is not high."

The traditional fossil fuel engine needs to devour a huge amount of energy, but it is only effective in providing short-term power-the stored fuel is quickly used up, and the thruster is immediately thrown away as garbage.

Most of the fuel of chemical rockets is used to get rid of the earth's gravity, and the remaining point is used to propel the rocket's "space glide". The rocket flies to its destination only by inertia.

For interstellar flight, this engine is obviously not enough.

Take the famous "Saturn V launch vehicle" as an example.

It is a super-heavy launch vehicle developed by the United States and is known as the most powerful rocket system in history.

However, with a height of 110.6 meters, a diameter of 10 meters, and a thrust of 3,408 tons, it can only send 118 tons of items into low-Earth orbit. If it is to be sent to the lunar orbit, the load will be sharply reduced to 45 tons.

The reason is that a large part of the nearly 3,500 tons of thrust generated by the rocket is used to "drag" the rocket itself and more than 2,000 tons of fuel.

Its "specific impulse" is not high, only more than 300 seconds, indicating its low propulsion efficiency.

This is why a huge rocket must be used to send a person with a very small mass into space.

If this traditional fossil energy rocket is still used as a carrier, I am afraid that aerospace technology will not be able to make a big breakthrough.

So Xu Chuan wants to focus on studying this aspect to see if he can find a new way for aerospace engines.

Sitting in front of the computer, Xu Chuan was thinking about the new way of aerospace engines, and he didn't realize that the night was gradually getting deeper.

When the moon climbed above his head, the mobile phone on the table rang.

Xu Chuan picked up the phone and looked at it. It was sent by his new life assistant.

"Academician Xu, it's late now. If you don't have anything urgent, you should go to bed."

Looking at the message, Xu Chuan's mouth moved and he looked at the time again.

Well, it's already eleven o'clock in the evening before I knew it.

Shaking his head, he put down his phone, sorted and saved the data on the computer, and got up to wash up.

Is this the magic of a life assistant?

What kind of researcher is a researcher who can't stay up late!

After a peaceful sleep, Xu Chuan came to Nanjing University the next day.

Now that controlled nuclear fusion technology has been realized, as a full professor at Nanjing University, he should come back to teach and guide students.

Pushing open the door of the office, Xu Chuan walked in. Cai Peng, who was studying in the office, turned his head and looked at him. He stood up quickly with surprise and excitement.

"Professor, you are finally back!"

The word "finally" made Xu Chuan cough a little unnaturally. Facing Cai Peng, a student, he was probably a little embarrassed.

After all, it has been almost two years since he accepted her as his student, and he has not taught her much. Cai Peng was busy with the field of controlled nuclear fusion before, so he basically left it to Gu Bing and Amelia to teach.

On the other side, Cai Peng may have realized that he had said the wrong thing, so he quickly skipped the topic and congratulated her: "Professor, congratulations on solving the century-old problem of controlled nuclear fusion!"

Xu Chuan: "Thank you, why don't I see Amelia?"

Hearing this, Cai Peng's expression was a little strange: "Professor, didn't you arrange for her to go to CERN for internship in February this year? She hasn't come back yet."

Xu Chuan coughed, and then he remembered that because he was busy with controlled nuclear fusion before, he was afraid of delaying the students, so he arranged Amelia to go to CERN for practice.

Amelia studied mathematical physics, and after solving the Bloch conjecture, she and Gu Bing graduated from him.

It's just that Gu Bing chose to be a mathematics professor at Nanjing University, while Amelia was more talented and chose to learn in depth from him the method of mathematical calculation of physical particles.

This is a course that requires the combination of practice and theory. China cannot provide much help in this direction for the time being, so he sent Amelia to CERN and asked his mentor Edward Witten to help take care of her.

Then the school left Cai Peng to either study on his own or study with Gu Bing.

In this way, he felt sorry for these students, as he was in a free-range mode most of the time.

After a light cough, Xu Chuan said, "I will have enough time to teach you in the future. I hope you haven't fallen behind in your studies in the past two years."

Hearing this, Cai Peng felt a little uneasy.

From Brother Gu Bing, he knew that this mentor was the one who dared to use a world-class problem as a student's graduation thesis. Could it be that he had to solve a world-class problem before he could graduate from him?

If that was the case, it would be better to kill him. Maybe that would be easier?

Xu Chuan ignored the changing expression on his student's face and asked, "I remember you studied differential equations later, right?"

Cai Peng quickly replied, "Yes, professor."

Xu Chuan nodded and said nothing more. He took out an A4 paper from the drawer of his desk. After thinking for a while, he wrote:

"Let K be a zero-characteristic differential field, ={δ1,···,δm} as its differential operator, let L = Khη1···ηni be the differential extension field generated by K and a finite number of elements η={η1,···,ηn}."

"Define Θ to represent the free commutative semigroup generated by δ1,···,δm. If r is any non-zero integer, let Θ(r)=δk11···δkmm∈Θ|mXi=1ki 6 r"

"Question 1: Find an algorithm that can determine the differential generating set η of a known differential extension field L on K."

"Question 2: Find an algorithm that can determine the differential generating set η of a known differential extension field L on K." The differential generating set on K and the differential relation of this set, and calculate the minimum differential dimension polynomial of L/K. "

In the quiet office, the sound of the ballpoint pen sliding on the white manuscript paper was particularly loud. Cai Peng couldn't help swallowing his saliva when he heard the sound.

He seemed a little panicked.

Less than two minutes later, Xu Chuan stood up and handed the manuscript paper with the questions written on it to Cai Peng.

"Although it is my fault that I have not been able to teach you well in the past two years, let me see if you have wasted your talents and homework in the past two years."

"The questions on this paper should be suitable for you. I will give you three days. As many as you can solve, including ideas and thoughts, will count."

"If you have been lazy in the past two years, I am afraid that you will have to postpone your graduation from me for a while."

PS: Make up for yesterday's chapter. There are still two chapters today. Please vote for me.