After receiving the thesis handed over by Su Lu, Dean Jiang was not in the mood to do other things. He took out his mobile phone to notify him that he had something to do, then took out his glasses, put them on, and read the thesis seriously.

"The Proof and Extension of Cauchy's Mean Value Theorem in Euclidean Space"

Abstract: By transforming Cauchy's median value theorem into the expression form of Euclidean space, using the inner product property of Euclidean space, it is proved, and this method is extended to the proof of other median value theorems...

Dean Jiang read it step by step, proving that the process is very simple, but the essence and the most incomprehensible part lies in the transformation process. The old dean almost watched the transformation process back and forth several times, and finally endured I couldn't help but took out the pen and draft paper and started to check the calculation.

In the end, he succeeded, and in the following proof process, he knew what to do without having to look at it.

Then he went to look at the conversion process of several other median value theorems, which were completely correct, and there was no loophole to be found.

The shock in Dean Jiang's heart is self-evident. This transformation method can be extended to the proofs of many other theorems, and it has been successful, which shows that it can also be applied to other similar places, providing differential and Once again, a bridge is built between geometries, and the expansion of a kind of thinking may bring a new dawn to the solution of countless difficult problems.

Is this something a sophomore can do?

Dean Jiang actually doesn't know until now that Su Lu has studied mathematics in depth for less than two months. If he knew, I don't know how he would feel.

Putting down the paper with trembling hands, Dean Jiang turned to look at Su Lu next to him. At this time, he still looked gentle, respectful and thrifty, harmless to humans and animals, but in this head, he did not know how embarrassing he was. The amazing brain.

"Tell me, how did you come up with this method?" Dean Jiang asked.

Su Lu said: "Since I participated in Professor Fu Yan's class, I have become very interested in European-style space. After I got this subject, I had this idea. I studied it for several weeks, and then It suddenly occurred to me."

suddenly think of?

Dean Jiang twitched the corners of his mouth. It was such a perfect explanation that no problem could be found. Isn't this the most basic talent of mathematical geniuses?

Finally nodded, Dean Jiang thought for a while, and then asked curiously: "Then have you extended this method to Fermat's theorem?"

Fermat's theorem, that is, Fermat's last theorem, and several theorems such as Lagrange's median value theorem and Cauchy's median value theorem, are all basic theorems of differential calculus.

When Fermat's theorem was still a conjecture, I don't know how many mathematicians bowed down. It was not until the last century that Andrew Wiles proved it and announced this unresolved conjecture that has stood for more than 300 years in history. It became a theorem, a monument in the history of mathematics.

If Su Lu's method can also prove Fermat's theorem, although it has already been solved, the resistance encountered in the process of this new method being recognized by everyone will obviously be much smaller.

It's just a pity that Dean Jiang shook his head when he saw Su Lu.

"I haven't tried it." Su Lu explained: "I feel that even after switching, it is still a huge job."

Dean Jiang nodded, because he was thinking too much and was blown away by the surprise that Su Lu brought him.

Returning the paper to Su Lu, he said: "You can summarize the transformation method, write it in, and use the proof process of several theorems as a generalization. In this case, the value of the paper will be higher."

Su Lu took it back and nodded.He also had this idea before, and since Dean Jiang suggested so, he planned to sort out this new method after going back.

Perhaps, it can be called the Soo's conversion method?

He smiled amusedly in his heart, and when he was about to leave, Dean Jiang said again: "After summarizing the method, write an English version of the paper, is there any problem?"

Su Lu was stunned for a moment, meaning that Dean Jiang is going to let him publish it in international journals?

Seeing his appearance, Dean Jiang smiled and said, "Your paper, in my opinion, can be sent to the Journal of Differential Geometry."

Dean Jiang explained to Su Lu what "Journal of Differential Geometry" is. It is the highest-level professional journal of international differential geometry. The editor-in-chief is Chinese mathematician Qiu Chengtong, who plays a very important role.

Su Lu was stunned for a while after listening to it. He didn't expect Dean Jiang's expectations to be quite high. However, the first paper in his life was published in an internationally renowned journal, which is considered a good achievement.

He nodded and said, "No problem."

Dean Jiang smiled and nodded: "If you have any problems with the writing, just come to me. After you finish writing, send it to me again. You probably haven't written it before. If there is something wrong with the grammar, you will probably have to be beaten back and try again." Write."

"Thank you Dean, I'll bring it over after I finish writing it." Su Lu said.

"By the way." Dean Jiang suddenly asked Su Lu with a smile: "Aren't you worried that after showing me your paper, I will publish it first?"

Su Lu smiled and said, "You've said it out, you definitely won't do it, and even if you want to do it, I won't say anything."

Dean Jiang smiled gratifiedly. Su Lu's respect and trust in him benefited him a lot. He waved his hand and said, "I'm not going to snatch your young man's article. Let's go."

Su Lu thought for a while, and suddenly said: "I'll put you on the corresponding author list, and the paper review speed should be faster then."

After listening to Dean Jiang, he was taken aback for a moment, then nodded with a smile.

He also has status in the academic circle and has a wide network of contacts. When the time comes to ask and say hello to foreign friends, it is not impossible for Su Lu's paper to be published in the last month or so.

Moreover, Su Lu completed this paper completely independently, and he was willing to let him be the corresponding author. Dean Jiang felt very comfortable.

"Let's wait until the day of publication, I have to go too."

"Okay, goodbye, Dean Jiang."

Chapter 79 Coveting

In the next two days, Su Lu began to summarize the conversion method he had researched.Because of the idea, the efficiency is also very fast. As for how to write this paper well in English, Su Lu has no worries.

He is now a language master who is proficient in eight international commonly used languages, including Chinese, English, and Russian. Whether it is simultaneous interpretation or translation of masterpieces, he is no problem, let alone just writing a paper. After understanding, he mastered the foreign thesis writing format. When he wrote this thesis, it was very simple.

"Ah, it's finally done."

Putting his hands down from the keyboard, Su Lu turned his neck and shoulders, and sat up from the chair.

It was time for class, the three roommates had gone out, and he didn't hang out with Ning Shiyuan in the library.

Yesterday, Professor Zhang found new jobs for several of his postgraduate students. It was a longitudinal project, so he became busy again, and was often away from school. Maybe Ning Shiyuan rarely had time to meet Su Lu for more than a month.

Although he was a little depressed, Su Lu had no choice but to comfort himself by chatting with his sister on the phone every day.

He simply stretched his body, and suddenly, the phone rang. Su Lu glanced at it. It was a professor of mathematics analysis in the School of Mathematics, named Sun Wangqi.

His lecture was not very good, Su Lu lost interest after listening to it once, but he also left his contact information before, but he didn't know why he called suddenly now.

With doubts in his heart, Su Lu connected the phone and asked, "Hello, Professor Sun."

"It's classmate Su, right?" A voice came from over there.

"Yes."

"Oh!" Professor Sun laughed a few times, and then said: "I heard from Dean Jiang that you wrote a pretty good paper, and it was differential calculus. I was very curious. You sent it to my email Let me take a look, I will find the flaws for you and give you some suggestions."

Su Lu frowned, asking for advice?

He couldn't find any suggestions for his thesis, and with his current level, he was definitely higher than Professor Sun. What suggestions could this professor offer?

However, the other party was an elder, and Su Lu didn't explicitly refuse, so he said apologetically, "Oh! Thank you very much, Professor Sun, but I discussed it with Dean Jiang, and he also thinks there is basically no problem, so don't bother You bothered."

But Sun Wangqi didn't forget it, but continued: "Haha, Dean Jiang said that your thesis is on differential calculus. He doesn't do much research on differential calculus. You also know that I teach mathematical analysis, right?" Differentiation is still a bit of research. How about you print it and bring it to my office, let's take a look together?"

Su Lu became suspicious, what does this Professor Sun want to do?Want to read his paper so much?

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