Chapter 412

Exiting ResearchGate, the bored Cheng Nuo propped his chin in a daze.

Picking up the mobile phone on the table, Cheng Nuo was just about to go outside for a stroll, when he caught a glimpse of a call on his mobile phone.

The caller shown on the phone is "Tsari".

Cheng Nuo didn't realize who this "Chali" was at first, and after a few seconds, he remembered that it was his little white fan brother.

"It's me, Cheng Nuo. Cheng Nuo picked up the phone.

"Great God, Great God, I am Tsari. Although Chari tried his best to suppress the excitement in his heart, his voice still trembled slightly.

Cheng Nuo frowned slightly, "I know." Is there something wrong?"

"What, where are you, Great God?" asked Chari tentatively, rubbing his hands.

Cheng Nuo raised his eyebrows, "I'm here in the school's experimental building, and I just wanted to go out for a walk." ”

"Do you have time now, great god?" asked Chari worriedly.

"Time...... Cheng Nuo tilted his head and thought for a while, "The next job at hand will officially start tomorrow, and there is nothing else to do today." You ask me this, is there something you want to find me?"

Tsari replied, "Indeed, if I can, I would like to ask you for a favor......

............

Ten minutes later, Cheng Nuo arrived at Building 3, which is located opposite the Student Activity Center of the Faculty of Science.

"203, this is what Chari is talking about. ”

Coming to the second floor, Cheng Nuo stood in front of door 203 and knocked on the door.

The door was quickly pushed open, revealing the familiar face of classmate Chali, he first showed a look of surprise, and then politely beckoned Cheng Nuo to come in, "Great God, you are here, please come in, please come in!"

Cheng Nuo nodded and walked into the room.

There was not only one person in the room, but in addition to him, there were two other classmates, one man and one woman.

Seeing Chari leading a person who looked younger than them to walk in, a look of surprise flashed on the faces of the three of them.

A boy stood up and asked with a wry smile at his classmates, "Chari, is this the great god you call him? He shouldn't be as old as you, right?"

Charri's eyes widened, "Milo, that's not what you said. Although Okami is still in his first year of graduate school, age is not everything. ”

"What, what do you say?" The boy grabbed another important point in Chali's words, he pointed at Cheng Nuo, and said in an inexplicable tone, "You said that he was still in his first year of graduate school." ”

"That's right, the great god is the freshman of our Faculty of Science this year. Tsari-san replied as a matter of course.

Freshman......

The corners of the boy's mouth twitched.

They're in their third year of graduate school!

Even if it's not as good as that, it won't be enough for Chari to ask a freshman in the first year of graduate school to guide them!

"Tsarri, come over first. The boy pulled Chari to the corner, frowned, and asked in a low voice, "Chari, are you confused, what we have encountered is not an ordinary problem, the four of us in the third year of research can't solve it together, do you think a person who is two years younger than us will have a way?"

It's true that they're in trouble now, but he doesn't think that the "great god" invited by Chari can solve that problem.

was reprimanded by the boy, and Chari had a very wronged expression, "Milo, I didn't say it just now, the ability of the great god is not related to his age." ”

"Although I was quite shocked when I realized this reality at the time. But the facts are the facts, he is there and we have to be, there are indeed people in the world who are many times more talented than us. ”

The boy's brows furrowed even deeper, "But there are only a few people like that in an era." He glanced at Cheng Nuo not far away, "But I don't think he's such a person." ”

The corners of Zarry's mouth twitched.

As a classmate, he has to be slapped in the face to recognize the facts!

"Yes or no, just try it. Tsari-chan said, "Since the great gods are here, we can't just drive him back, right?"

Seeing Milo's impatient expression, Tsari hurriedly said, "If you really dare to do this, I will rush to you in the next second!"

The boy finally compromised, and said cowardly, "Then let him try, alas, if the teacher wasn't there, why would we be here." ”

The project is due next month, but unfortunately, their mentor is on a business trip at this time. Therefore, when they encounter unsolvable problems at the most critical stage, they can only stare wide-eyed.

That is, Tsari-san thought of the idea of moving the rescuers, and thought that he would summon one of their thigh-level seniors. But unexpectedly, the person who came was a freshman who was two years younger than him.

Milo instantly felt that the future of their subject was bleak.

On Chali's side, he had already returned to Cheng Nuo in a hurry, "Great God, I've kept you waiting." ”

Cheng Nuo shook his head and said with a wry smile, "I'm used to it, the next time I go out, I want to stick a pinch of beard on my chin." ”

"Alright, take me to see what trouble you are in, I'll go home early for dinner. Cheng Nuo raised his wrist and glanced at the time, and said lightly.

"Oh, good. Tsari led Cheng Nuo to his desk, took out a thick stack of A4 papers and handed it to Cheng Nuo, "This is the progress of our research project." Great, you have a general understanding first, and then I'll talk about the specific issues. ”

Cheng Nuo took the stack of A4 papers handed over by classmate Chali.

The title of the project that the four-member team is working on is called "The Boundary Value Problem of Nonlinear Differential Equations for Fractional Derivatives", and the level of difficulty is normal for MIT graduate students.

As for the topic of geometric cohomology that Cheng Nuo will do, it is naturally incomparable.

After all, one is a project that several professors work on, and the other is just a topic for graduate students to practice. As for the practical application significance of the research results, it can be almost ignored.

Not to mention the current Cheng Nuo, even a year ago, he would not be interested in such a level of subject. If it weren't for Chali's own loyal fan brother here who painstakingly begged him to come, Cheng Nuo would not have been so bored.

This project is to study the boundary value problem of nonlinear differential equations with fractional derivatives using continuous functions.

By definite the delimitation theorem and monotonic definite theorem, combined with the construction method to construct the continuous function, under the condition of a given fractional derivative, the perturbation method is introduced, the Green function is used to define the integral operator of the differential equation of the nonlinear fractional derivative, and the Banach compressed image theory is used to prove that there is a unique solution to the boundary value of the nonlinear differential equation of the fractional derivative in the continuous function space.

Cheng Nuo simply scanned the content of the A4 paper and understood the specific research framework of this topic.

Now, they are stuck in the final proof that there is a unique solution to the boundary values of the nonlinear differential equations of fractional derivatives in the space of continuous functions.

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