From university academician to chief academician

"Ye Fei, this is what happened now."

After Professor Yang came out of the principal's office, he called Ye Fei to explain the matter.

Ye Fei pondered for a moment and then said: "Professor Yang, now you are asking me to go to your school to demonstrate my abilities before you are allowed to move the laboratory, right?"

"Yes."

Ye Fei said doubtfully: "Professor Yang, I am very confused. Is the principal of your school so easy to talk to? Did you move the laboratory so easily?"

Professor Yang smiled and said: "Isn't this forced? In fact, the principal also has a headache in laser research, so he gave me full authority to handle it a long time ago. Because of this, he agreed so easily after hearing my proposal. ”

There was one more thing he didn't say.

The reason why the president of Kyoto Institute of Technology asked Ye Feilai to demonstrate his personal abilities was actually to find a step down.

Otherwise, the research would have been unsuccessful and he would have had a headache.

"Okay!" Ye Feidao said, "I have no classes on Friday. I will take a flight to Kyoto Institute of Technology this Friday morning."

"Okay, before you fly here, send me a message and I will pick you up."

"Okay!" Ye Feidao: "Do you need me to prepare anything?"

"You just need to show your Gaussian function when the time comes. You can prepare it in the next few days."

"OK."

On Friday morning, Ye Fei took a flight to Kyoto.

As soon as he came out of the station, Ye Fei saw Professor Yang standing not far away.

"Professor Yang!" Ye Fei waved hello.

After shaking hands with Professor Yang and saying hello, he got into Professor Yang’s car.

Professor Yang said while driving: "Ye Fei, you have to be prepared. The people coming to the class this time are authoritative experts in number theory and lasers."

"There is the dean of the School of Mathematics. He is an academician of the Xia Academy of Sciences, a deputy director of the Number Theory Committee, the director of the Mason Prime Number Institute, and a member of the International Number Theory Association."

"There is also the honorary president of the School of Mathematics. He is the vice president of the school, an academician of the Xiaguo Academy of Sciences, a fellow of the Beiliguo Academy of Mathematics, a fellow of the Beiliguo Society of Industrial and Applied Mathematics, and the vice president of Southern University of Science and Technology."

In a university, there are presidents and honorary presidents.

The honorary principal is equivalent to the title of principal but does not have the rights of a principal.

Moreover, one person can be the honorary president of multiple universities, just like one person can be the honorary academician of multiple countries.

The title "Fellow" is only used in Northern Ireland and some European countries. Internationally, it is called "Follow", which means "Fellow" in translation.

There is not much difference between fellows and academicians, but strictly speaking, the selection requirements for fellows are higher than those for academicians.

Among them, the monks from Beiliguo have the highest gold content.

After that, Professor Yang talked about a few more people, all of whom had very high positions.

Either the dean, the honorary president, or the director of a certain research institute.

But without exception, their positions are similar to those of academicians.

Ye Fei said with a grimace: "Professor Yang, I feel guilty."

Professor Yang smiled and said: "Why do you feel guilty? Don't feel guilty. Keep a normal mind. I believe in your ability and you can definitely conquer them."

Ye Fei said doubtfully: "Professor Yang, I'm just giving an explanation session, why are there so many talented people here?"

"Hi!" Professor Yang said with a smile: "It's not that this matter has a big impact. Think about it, moving the laboratory for you is very shocking, so many people came to listen out of curiosity."

Ye Fei couldn't laugh or cry in his heart.

But if you think about it, you're right. If you heard about it yourself, you would be curious.

What kind of person is he worth moving the laboratory for?

Curiosity is the human desire to explore, so there will definitely be many people coming to take a look.

An hour later, the car drove into Kyoto Institute of Technology!

At this time, many people were sitting in a classroom at Kyoto Institute of Technology.

These people, all over forty years old, were talking to each other.

But listening to the conversation, Ye Fei, continuum hypothesis, set theory, number theory and Gaussian function came up from time to time.

Ten minutes later!

Ye Fei and Professor Yang walked in, and everyone glanced at Professor Yang and looked at Ye Fei.

The two walked to the podium. Ye Fei felt a little uncomfortable when they looked at him. He felt a little embarrassed and his expression was a little stiff.

Professor Yang was also a little nervous. He was not nervous because everyone saw him, but he was nervous about the next test of Ye Fei.

After all, this is about whether the laboratory will be relocated, and it is also about the success or failure of his laser research.

Professor Yang said: "Everyone, this is Ye Fei."

Everyone nodded and looked at Ye Fei with curious eyes.

They had only heard of Ye Fei before, but had never seen Ye Fei.

Professor Yang said: "I think you have all heard about it. The principal wants to test Ye Fei's ability in Gaussian functions. You can also help test it."

Everyone nodded slightly and agreed with Professor Yang's words.

Professor Yang turned to look at Ye Fei and asked, "Ye Fei, is it okay?"

Ye Fei took a deep breath, exhaled it, and said, "No problem."

Everyone saw that Ye Fei seemed nervous, so they all smiled.

The principal looked at Ye Fei and chuckled: "Ye Fei, don't be nervous, just treat us as your students."

"If your ability can conquer us, I will agree to move the laboratory."

"If you can't conquer us, we won't make it difficult for you."

Ye Fei didn't offend them, and there was no conflict of interest between them, so they naturally wouldn't embarrass Ye Fei.

The others also looked at Ye Fei with encouraging eyes.

Ye Fei saw that there was no tense atmosphere at the scene, and most of the tension in his heart was gone.

He nodded slightly and said: "Hello everyone, I am Ye Fei, and I will explain the Gaussian function..."

"Today I will mainly explain the Gaussian kernel function."

"Gaussian kernel function..." The scene was instantly in an uproar.

The current mainstream research on Gaussian function is Gaussian function and normal distribution, Gaussian fuzzy principle, Gaussian kernel function and Gaussian noise.

Among them, Gaussian function, normal distribution and Gaussian kernel function are theoretical studies and are also the most difficult part.

Gaussian function and normal distribution are the most widely studied, some are simple and some are difficult.

The study of Gaussian kernel functions is difficult.

If we talk about Gaussian function and normal distribution, the minimum difficulty is 1 and the maximum difficulty is 7.

For the Gaussian function, the minimum difficulty is 5 and the maximum difficulty is 10.

The research threshold for Gaussian function and normal distribution is low, and the upper limit is also lower than that of Gaussian kernel function.

The research threshold for Gaussian kernel function is high and the upper limit is also high.

When most people study theory, they study Gaussian functions and normal distributions.

Few people study the Gaussian kernel function.

Only after thoroughly studying the Gaussian function and the normal distribution can we study the Gaussian kernel function.

The reason why everyone is surprised is that throughout the world, very few young people study the Gaussian kernel function.

Unless you just have an understanding of the Gaussian kernel function, you won't be able to study it thoroughly.

But in the current situation, it seems unrealistic to give a lecture on something that is only understood.

If Ye Feizhen could explain the Gaussian kernel function thoroughly, it would be very simple.

Professor Yang also looked at Ye Fei in astonishment. He did not expect Ye Fei to give a lecture on the Gaussian kernel function.

He thought Ye Fei would only give lectures on Gaussian functions and normal distributions.

But he didn't say much. He thought that Ye Fei was not a reckless person. Since he came up with the Gaussian kernel function, he was naturally certain.

Ye Feidao: "My explanation is divided into two parts, namely the separability and locality of the Gaussian kernel function."

"According to the locality of the Gaussian kernel, select the global function and the Gaussian kernel to form the kernel function..."

Ye Fei found that the more he talked, the less nervous he felt. After speaking for more than ten minutes, he felt no nervousness at all, as if the experts, professors, and academicians in front of him were really his students.

"So that's it..." The dean of the School of Mathematics nodded slightly: "A very novel point of view, using the vector machine to introduce the Gaussian kernel function, and selecting the Gaussian kernel radius kernel penalty parameter C through the VC dimension theory and the principle of structural risk minimization. "

Vector machine, whose full name is support vector machine, is one of the learning kernel function algorithms.

Ye Fei used a vector machine to derive the Gaussian kernel function, which is a relatively clever method.

Others use vector machines to learn kernel functions, but Ye Fei uses them to derive kernel functions.

Ye Feidao: "One of the known methods is to use the Joachims upper bound with one error as the core radius..."

The honorary dean was surprised: "Using the upper bound of Joachims as the core radius? How clever..."

There is an SVM mechanism in the support vector machine.

The Joachims upper bound has the effect of improving the algorithm.

By improving the Joachims upper bound, the SVM mechanism can be improved.

This makes the support vector machine, which is originally suitable for Gaussian kernel function, more suitable for Gaussian kernel function.

"Wonderful..." Many people said excitedly: "Why didn't I think of it!"

Then they were surprised that Ye Fei could think of this.

The principal looked around and saw that many people were excited and shocked. He wondered: "Could Ye Fei's lecture be very good?"

He didn't study mathematics, so he couldn't tell the quality of what Ye Fei said.

The principal asked quietly to the dean of the School of Mathematics beside him: "Old Xu, is his lecture very good?"

Lao Xu scolded softly: "Don't disturb me and listen carefully."

The principal looked confused and felt helpless: "Okay, wait until you hear it before you ask!"

But he couldn't understand it, and it was like chewing wax, which was boring.

Half an hour later, Ye Feidao said: "After projection and then determining a threshold, the original image can be classified."

"I'm done explaining, thank you everyone!"

After speaking, Ye Fei bowed to everyone.

"Is it over?" Dean Xu was stunned. He took out his mobile phone and looked at the time. He had been listening for nearly an hour.

"So fast?" He shook his head slightly and thought to himself: "Sure enough, the happy time passes quickly."

Then everyone stood up and burst into loud applause.

"Pah, pah, pah..."

After a while, the applause stopped, and the principal smiled at Ye Fei and said, "Ye Fei, wait a moment, we will have a small meeting."

"Yeah!" Ye Fei nodded slightly.

The principal said to everyone: "Everyone, let's find a place to discuss it!"

Everyone nodded: "Okay!"

After saying that, everyone left here.

After sitting down in the classroom next to him, the principal said: "Everyone, you also know that I am not a math major. Please tell me about the depth of Ye Fei's explanation!"

Everyone looked at each other, and the dean of the School of Mathematics spoke first: "Ye Fei's explanation is very eye-opening. I am surprised that he can have such depth in research on Gaussian kernel functions at this age."

"To be honest, at his age, I didn't have such knowledge."

"His current knowledge is equivalent to that of me at forty years old, and even many of his views are very eye-catching to me."

The life of an average scholar is a learning stage before the age of thirty-five, a peak stage from forty to fifty, and a decline after fifty.

It's not that the knowledge is not as good as before, but the inspiration in the brain is not as good as before.

Learning requires inspiration, and scientific research also requires inspiration.

In a person's life, the content of learning determines the starting point, and inspiration determines the end point.

The principal was surprised, the praise was too high.

He didn't think that Lao Xu was flattering Ye Fei. He and Lao Xu had worked together for many years, and he knew what kind of character Lao Xu was.

Lao Xu has a serious personality, straightforward manner, straightforward speech, and will never do any flattering behavior.

Unless the person is really talented.

"Principal Lin, tell me." The principal looked at the honorary dean and said.

"Dean Xu is right." President Lin said: "Ye Fei's research on Gaussian kernel functions is very in-depth. I have been to many countries. Even in universities such as MIT and Princeton in Beili, I won a Ph.D. Among those who have lived in the past 20 years, very few people have conducted such in-depth research on the Gaussian kernel function.”

A smile appeared on the corner of Principal Lin's mouth: "Our country, Xia, is about to produce a great mathematician."

Principal Lin, as a fellow of the North American Mathematical Society, had served at both MIT and Princeton, and compared Ye Fei with students from MIT and Princeton.

He was surprised to find that Ye Fei was better than 99.99% of the students at MIT and Princeton.

You know, MIT is known as the world's strongest engineering university, and Princeton is known as the world's strongest science university.

The principal was surprised. This comment was higher than the evaluation given by the dean of the School of Mathematics.

The dean of the School of Mathematics compares Ye Fei with himself, while the honorary dean compares Ye Fei with scholars around the world.

The principal twitched the corner of his mouth and said, "Principal Lin, is your evaluation a little too high?"

The principal has only been in contact with Principal Lin for a short time, so I don’t know Principal Lin’s character.

Principal Lin shook his head: "No, not high at all."

Dean Xu said: "I can testify to this, Ye Fei deserves this evaluation."

The principal saw what Dean Xu said and believed it in his heart.

But he still looked at the others and said, "Everyone, let's talk about it!"

Everyone was chatting with each other, all speaking highly of Ye Fei.

After a long time, the principal said: "Everyone, how helpful can Ye Fei's current abilities be to the research of laser weapons?"

Dean Xu said: "Judging from Ye Fei's current abilities, having him join laser weapon research will be even more powerful."

Principal Lin nodded: "That's true. Ye Fei has studied the Gaussian kernel function so deeply, he will definitely have no problem with the theory."

Everyone nodded, it was indeed true. Based on Ye Fei's research on Gaussian kernel functions, there was absolutely no problem with the theory.

The principal said: "So that means there aren't big problems with application?"

The theory is fine, and the application problem is certainly not big either.

This is basic common sense.

"Yes!" Everyone nodded.

The principal took a deep breath, exhaled it slowly, and said, "I understand."

"In other words, his joining in laser weapon research will be of great help, right?"

"Yes!" Everyone nodded.

"Okay, I understand." The principal smiled and said, "Thank you everyone for coming today."

After some pleasantries, everyone left.

The principal found Ye Fei and the two of them. Professor Yang stared at the principal closely and asked, "How about it? Do you agree to move the laboratory?"

The principal did not answer immediately and said: "Professor Yang, please take Ye Fei to rest first. Come to me afterward. I have something to talk to you about."

He chuckled at Ye Fei again and said, "Ye Fei, follow Professor Yang to rest first."

"Okay!" Ye Feidao.

Professor Yang suppressed the desire in his heart and left with Ye Fei. Then he found a hotel for Ye Fei to stay near the school, and finally came to the principal's office.

"Here you go, sit down!" The principal looked at Professor Yang who came in and pointed to the sofa not far away.

After Professor Yang sat down, the principal asked his secretary to bring in two cups of tea.

Professor Yang sat on the sofa, clenching his fists and staring at the principal anxiously.

Faced with Professor Yang's curious eyes, the principal did not show any concern and said, "I agree to move the laboratory."

Professor Yang breathed a long sigh of relief, his heart was completely relieved, and his clenched fists were released.

"but……"

Professor Yang's heart thumped, his heart lifted again, and his fists clenched.

"But I have a better proposal that doesn't involve moving the lab."

"Principal, you..." Professor Yang said anxiously.

We agreed to move the laboratory, but now we don't move it. Isn't this going back on our word?

"Listen to me!" The principal waved his hand to stop Professor Yang from continuing: "Since Ye Fei doesn't come to our school's laboratory and wants Ye Fei to do experiments, we don't have to move the laboratory laboriously."

"We can definitely cooperate with Zhonghu University to jointly establish a laser laboratory, and at the same time leave the task to Zhonghu University."

“Isn’t this killing two birds with one stone?”

Professor Yang was shocked and said: "Principal, will the higher-ups agree to this?"

"We already have a laser laboratory here. Wouldn't it be a waste of money to build another one at Zhonghu University?"

The principal smiled and said: "Actually, the higher-ups were planning to establish this laboratory, but they were hesitating whether to establish it at the National University of Defense Technology or Zhonghu University."

"It just so happened that we helped to push the situation and let it be established at Zhonghu University."

"And if we and Zhonghu University establish it under a joint name, we won't have to spend any money and still get a good reputation."

“And, most importantly, we can leave the hot potato of laser weapon research to Zhonghu University.”

He had just received this news. Just as Ye Fei's incident happened, he thought that he would help Zhonghu University build a laboratory and then pass on the laser weapon experiment to Zhonghu University.

"Then what you did today isn't a waste of time?" Professor Yang looked at the principal in confusion.

The principal smiled and said: "We will give the task to Zhonghu University, and we should also examine the strength of Zhonghu University. This is what I said above."

"What about my research?" Professor Yang asked anxiously.

Research isn’t just about research, there’s also research funding.

If the research is left to Zhonghu University, the research funds will also have to be handed over.

"The above means that the funds will be retained to conduct other research, still laser-related, and will be done by the laser laboratory."

"Huh..." Professor Yang took a long breath and nodded: "That's not bad."

He shook his head and said with some humor: "I didn't expect that Zhonghu University would take advantage of this for so long."

There was one more thing he didn't say, the principal was really an old fox.

With little effort, Nakako University obtained a laboratory, and Kyoto Institute of Technology not only lost a hot potato, but also gained a good reputation.

Professor Yang thought in his mind: "No wonder he can be the principal, while I am just a researcher."