I just used Ishida's office to sort out the research ideas from last night.

He took a piece of white paper and a pen, "Teacher, I told you that I was studying the Kakutani conjecture."

Hearing the name of Kakutani's conjecture, Ishida's confidence decreased a little. This is a world-class conjecture that has been challenged by many famous mathematicians since the 70s, but has not been successful.

"In my research it was found that the solution of the analytic function in the unit disk {z:-z;lt;1} is of the form h(z)=h0+h1z/(1/z), if I can prove this, I can take the proof of Kakutani's conjecture to the next step."

Sagawa Yan's pen quickly wrote a formula on the white paper.

任何整函数h(z)均使得g(z)=z/2+(1/cosz)(z+1/2)/2+1/(1/2cosz)sinz+h(z)sin2z满足:N/(g)。

"This formula means..."

"Ishida-sensei, what's wrong with you, teacher?"

Sagawa Yan was surprised to see that Ishida's face turned white and red, red and black, black and white, and changed continuously in a short period of time.

"It's nothing, you keep talking, keep talking."

Ishida sadly found that he could not understand the meaning of this formula even when someone explained it.

"How can it be repaired, is this the gap between me and top mathematicians?"

In Ishida's eyes, Sagawa, who talks about the problems he doesn't understand, is already a top mathematician.

This made him both gratified and sad, "I may only be able to get closer to the beauty of mathematics after I meet a genius."

Mathematics is fair, everyone faces problems with one glance, and mathematics is unfair. Only geniuses can solve problems one by one, approach the mystery of mathematics, and appreciate the beauty of it.

Sagawa Yan no longer cares about Ishida. He is using the explanation to organize his thoughts.

"Just do an inversion of the expression above with the stream function."

As he spoke, his pen on the paper would swipe a large paragraph.

And Ishida's confusion will also grow for a long time at the same time.

"What are you talking about, I can't keep up, Sagawa-kun." Ishida admitted defeat, but he found that Sagawa seemed to have lost him in his eyes, and just wrote down lines on paper.

"Teacher, I may not be able to attend other classes. The office will lend it to me."

after 2 hours

"Finally finished!"

Sagawa said that he couldn't believe that this time it would go so smoothly, directly completing the first proof of Diagonal Valley's conjecture.

Beside him, he seemed to be listening to the Bible in class, and Ishida, who was drowsy and sleepy, woke up suddenly, "It's over? You've finally proved it?"

"I succeeded in taking the Kakutani conjecture a big step forward based on the two mathematicians L. Berg and G. Meinardus in 94!"

Ishida: I'd better continue to sleep, anyway, I still don't understand.

Chapter 56 New Missions

"Ishida-sensei, thank you for your help," Sagawa said, bowing to Ishida.

"I lent you the office, don't say it as if I really helped you a lot."

Ishida lit a cigarette and sighed, "I can't understand what you're doing anymore, but when your paper is published, I will definitely buy a journal for collection, and I can show off to others when I go out in the future. I taught it, hahaha."

"By the way, where do you plan to publish this paper? Is it the "Theoretical and Applied Mathematics Communications"?"

He inquired curiously.

"This time I'm going to switch to another company," Sagawa said, denying Ishida's speculation, "I want to challenge the "Mathematics Chronicle" this time."

Ishida's eyes were wide open, the cigarette in his mouth fell on the ground, and he didn't know, "Is it which "Mathematics Chronicle" I know?"

Sagawa Yan nodded and smiled, "In the world of mathematics, there should be only one mathematics chronicle."

"Good boy..."

Ishida rubbed his hands excitedly, wanting to say something but didn't know how to say it.

It is really too much of the name of "Chronicles of Mathematics".

This journal was founded by Princeton University and will be published by the Journals Department of Johns Hopkins University Press in the future, but it is still managed by Princeton University. status.

This is the journal of Princeton University!

The Department of Mathematics of Princeton University can be said to be a place where the elites of modern mathematics gather, with countless big cows and calves everywhere, and it is a holy place in the eyes of mathematics enthusiasts all over the world.

When Ishida was a student, he dreamed of publishing a paper in a Princeton journal, but unfortunately he was so ignorant that he never thought that the students he taught would have the opportunity to achieve this.

"Let's go, I invite you to dinner, it's just a celebration for you, don't refuse!"

It happened to be lunch time at this time, and Sagawa couldn't help it, so he called Sonoko to explain, and was pulled away.

...

after lunch

Sagawa Yan, who was flushed with alcohol, went straight back to his home.

"Ishida-sensei is such an adult, he is still so excited when he mentions his ideals, he even cried."

During the meal, Ishida kept talking about his student life at Toto University and his dream of publishing a dissertation in Princeton. In the end, Ishida, who drank too much, burst into tears.

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