Go back to the past and be a schoolboy

Chapter 40 Bold and Bold
Busy days always pass quickly, and February [-]st arrives in no time.

Cheng Nuo was busy instructing the newsboys to sell the "People" magazine well, and spread their footprints throughout the entire city of Beiping as much as possible.

At this time, Wu Yulin was holding a copy of "New Youth" and reading it while walking, but he couldn't see the road ahead, so he stuck his head on Cheng Nuo.

"Hey, old Wu, it's the tenth day of the first lunar month today, so I don't like to kowtow to pay New Year's greetings, even if I kowtow, I don't have any lucky money."

"Fuck you, I'm obsessed with Mr. Chen's "On Literary Revolution". Who would think of giving you a big gift?" Wu Yulin raised the magazine in his hand: "People's liberal arts are one achievement after another. What should we do?" It's going slowly."

Cheng Nuo quietly tucked the newspaper behind him on the table, fearing that he would be caught deliberately prevaricating: "Scientific things can't be rushed. Besides, didn't I ask you and Shi Jin to study tricycles? Why did you come here again?" gone."

"Isn't today the day when the inaugural issue is released? I came here specially to care about you. It's enough for the tricycle to have that nerd researching it." Glancing at it, he happened to see Cheng Nuo's small movements, and was a little curious: "Hey, what treasure are you hiding? Let me see if it's fried triangles, it's not authentic to eat alone."

While talking, Wu Yulin tucked the magazine under his arm and stepped forward to snatch it.

Cheng Nuo had no choice but to take out the thing hidden behind his back, which was a newspaper.

"Hey, isn't it just a newspaper, what's the big deal, do we need to hide it?"

Wu Yulin glanced at him suspiciously, took the newspaper and read it, the smile on his face became less and less, and finally his face was full of frost.

It turned out that the war in Germany was tight, and they brazenly launched an infinite submarine war, which not only blocked our sea area, but also threatened to sink all passing ships.

This kind of warning does not stay on paper. According to the statistics of later generations, in the three weeks of this month alone, 134 ships of non-belligerent countries were sunk by German submarines, causing heavy losses.

"A group of idiots have been stabbed in the newspapers, are the officials still not doing anything?" Wu Yulin clenched his fists, with veins popping up on his forehead: "Go to protest, go to break the relationship, go beat him!"

Cheng Nuo shook his head: "At present, it seems that they have not taken the next step and are still waiting and watching."

"That's right, even the Brits can't beat their submarines, so what can we do?"

"Think about it from another angle. Is it because the Japanese have more ships in that sea area, and they have more headaches."

"Keep away wolves and tigers, you will have fun while suffering."

Cheng Nuo came over and patted him on the shoulder: "We should be self-improving, that's why I invited you, if one batch fails, we will cultivate the next batch, and there will always be a hopeful day. But right now, we still expect you to apply Make money with the Department of Engineering Science to support other departments."

"No, our Academy of Sciences has just finished recruiting and has not yet been established. When did the Department of Applied and Engineering Sciences come?"

"Just now, hurry up and work hard, the position of the director of the department is reserved for you."

After painting the pie, Cheng Nuo could finally return to his old job of editing mathematics textbooks.

The first is the lecture notes of the field theory of this major, and the standard course is definitely indispensable.

Some professors of liberal arts at Peking University like to put aside the lecture notes and teach, citing classics and cadences, and everyone listens with gusto. The final exam depends on whether the students take notes seriously.

Of course, most people would not be able to try this method, so Cheng Nuo, after listening to a few teachers' lectures, decided to write a textbook on class field theory according to the later generations, which is convenient for students to review and is also conducive to the spread of knowledge.

Secondly, a brief history of algebraic number theory should be written to cultivate students' interest.

Mathematics is not an easy course in the first place. Without the guidance of interest, it can only be described as boring.

Fortunately, algebraic number theory has not been developed in this world for many years, and the catalog was compiled soon, leaving only the filling content.

According to the order from ancient times to the present, they are ancient number theory, medieval number theory, Gauss' "Study of Number Theory", Didekin's "Algebraic Integer Theory". To his recent class field theory, it is clear at a glance.

Finally, it was Cheng Nuo's long-term project, which was to compile a "Dictionary of Mathematics". He attached the greatest importance to this work.

Divide it from elementary mathematics to advanced mathematics, classical mathematics to modern mathematics, theoretical mathematics to applied mathematics, and try to introduce each mathematical term in an easy-to-understand language.

Target users are no longer students of Peking University, but mathematics teachers in various primary and secondary schools, and hope that "Mathematical Dictionary" can become their right-hand man.

After all, no matter how hard Cheng Nuo tried, the number of students he could teach was limited, but Teacher Wanqian was different. Facing a larger number of students, with the help of "Mathematical Dictionary", the teaching results would definitely be better.

In addition, it can be placed on the student's desk, and it is more convenient for them to solve doubts.

But this is a big man after all, and the workload cannot be completed by one person. After Cheng Nuo arranged the outline, he distributed the easy part to the mathematics talents of the Academy of Sciences and the Department of Mathematics of Peking University.

Everyone gathered firewood and the flames were high, and it is expected that the first draft will be completed in the middle of the year.

With all the tricks, Cheng Nuo became a leading figure in the domestic mathematics field.

As the days went on so slowly, the "Almanac of Mathematics" in the United States sent several telegrams in a row. The contents were basically the same, and they invited Cheng Nuo to give a lecture.

In fact, it is no wonder that they are in such a hurry. North American mathematicians have always wanted to hold the World Congress of Mathematicians in their own country, but Europeans do not take them seriously, and their applications have been rejected many times.

The founder of the Fields Medal of Mathematics Fields, in order to pull the World Congress of Mathematicians, did not hesitate to travel for decades before moving the Congress to Toronto, that is, the Seventh World Congress of Mathematicians, which is also the first time held in Europe other countries.

Therefore, even if Cheng Nuo was a man of yellow race, in order to increase the influence of the North American mathematics community, they still held their noses and insisted on inviting him over.

Besides, Cheng Nuo was from Harvard, and he was more happy that his school had talents, so some small problems were solved for him easily.

Answering colleagues' questions is a necessary process, but Peking University is about to usher in a new semester, so Cheng Nuo doesn't want to leave for the United States right now, so he can only answer them in the form of letters.

Over and over again, there were more and more homogenous problems. Cheng Nuo simply sorted out a collection of problems, and published a paper in the "Mathematics Yearbook" to further improve the class field theory.

When it was the first day of school, Cheng Nuo dressed in a long robe, adjusted his collar excitedly at the door, opened the door and entered the classroom.

But when I opened the door, I was dumbfounded. Seven or eight rows of tables were full, and there were even a few standing in the back row.

"No, I remember that there are only twelve students in the mathematics department of Peking University. When did Mr. Cai recruit new students?"

If you take a closer look, why are there still female students? Aren't there different schools for men and women?
After seeing the teacher coming in, the students immediately became quiet and got up to salute.

"Hi Professor Tom~"

Cheng Nuo had no choice but to return the gift and carefully wrote a line on the blackboard.

"Welcome to Math Paradise."

In particular, the word Paradise is bolded and enlarged.

　Thanks to book friends Al Aher and Chang Xiaoshi for the 300 starting point reward~
　　
　
(End of this chapter)