Chapter 342 "Original Mathematics"
Although Xu Qingshan is willful, he has the capital to be willful.
That afternoon, on the official website of the Peking University Mathematics and Application Laboratory, there were some changes in the research direction that Xu Qingshan was responsible for, and Liu Ruochuan's name was also entered, alongside Zhu Xiaohua and others.
Compared with other research directions and research groups, the two leaders of the Xu group are too young. Even Liu Ruochuan is younger than some senior postdocs in other groups.
But no one dares to underestimate this group.
Xu Qingshan went directly to Huaqing after coming out of Tian Gang's office. Qiu Yong came back from Liangxi and sent him a message asking him to come over.
The distance between Beijing University and Huaqing University is really too close.
And Xu Qingshan often goes to Huaqing to find trails and become familiar with the roads.
Xu Qingshan came out of the east gate of Beijing University, walked across the road, and slipped in through the southwest gate of Huaqing. He followed the road and passed by the small gate of Huaqing Affiliated, and touched the Nengke Building all the way. go.
The Nengke Building is across the aisle from the Science and Technology Building and the Xinke Building. Many young students walked towards us. They all wore glasses and had scruffy mustaches. At a glance, it was clear that each of them was an innate science student. .
It's just that when they were walking, some of them were holding books in their hands, and some were chatting about the topic they had just discussed. Not many people noticed Xu Qingshan.
Even if I see Xu Qingshan, I will only subconsciously think that this guy is really handsome, and then continue to think about my own problems.
Very normal.
You must know that at Beijing University, since Xu Qingshan’s news broadcast craze has passed, although many people recognize him on the street, most of them only look at him a few times without being sure. Who is he?
Maybe when you see him, you will only think that this handsome guy looks familiar, but you don’t know why he looks familiar. Many people will fill in their own psychology and think that it may be because he has outstanding appearance, so they often meet him outside. I took a look and remembered it.
If you don’t believe it, just let Yang Zhenning and Li Zhengdao come back now and walk around the campuses of Peking University and Huaqing University. You can see how many people can recognize them by looking at their faces.
Even when celebrities who occupy media resources every day are dressed in casual clothes, passers-by may not be sure that they are the celebrities they see on TV every day.
Just when Xu Qingshan secretly lamented how quickly his enthusiasm dropped, he was about to walk into the building around the corner, but was stopped by a boy.
Looking at the young man in front of him with long face, narrow cheeks and windy ears, Xu Qingshan confirmed that he did not know him, but the other person stopped in front of him, but he only smiled brightly, as bright as a little monkey, what did he say? He didn't say anything, so he could only stop and ask with some doubts.
“Hello?”
"Hello! Xu Shen, my name is Hou Yong, you are Xu Shen, right?!"
The young man looked very excited, Xu Qingshan smiled and nodded.
"If you are looking for Xu Qingshan, then it should be me."
"Xu Shen, can you sign your name for me, me, here, here, The pen is here, just sign it on my clothes!”
Hou Yong’s name is very popular, but his face is not popular, and he also has a bit of a social personality. He took out a marker pen directly from his bag, He tugged on the collar of his clothes to get Xu Qingshan to sign his name.
Xu Qingshan simply signed an artistic calligraphy and asked casually.
“What do you major in?”
“Computer science, I just entered Yao class this year as a freshman! Xu Shen, they all say that you are very good at mathematics, but I am different. ! I fell in love with you after watching your ICML videos! I understand, your vision and insights are simply a shame.”
The young man was really excited. After Xu Qingshan signed his autograph, he stopped looking at Xu Qingshan and instead signed the autograph. After looking over and over again, I almost had to take off my clothes on the spot.
“It’s an exaggeration, it’s an exaggeration. If you have a chance, come to Beijing University to visit me. If you are interested in graduate school, you can also come to my graduate school. I will go in first.”
Xu Qingshan couldn't resist this primate enthusiasm, so he quickly smiled and waved his hand and entered the building.
"Okay! Okay!"
Hou Yong looked at Xu Qingshan's back with bright eyes, and then looked at the signature on his chest.
"No, I have to play with Xiaoyang when I go back. When he comes to Yao class at the end of the year and becomes my junior student, I will take him to see Xu Shen's style. What mathematics? Xu Shen is ours Computer!”
Hou Yong opened his coat and showed off Xu Qingshan’s signature, walking with a breeze.
Xu Qingshan found Qiu Yong, who was looking at a material analysis report. Seeing Xu Qingshan come in, he put down the report, stood up and pulled up a chair, with a wry smile on his face.
"Qingshan, why do you guys at Beijing University move so fast? Recently, I have been called by my boss every day, and they have to go to Liangxi to arrest me and hold me accountable."
Qiu Yong But he had been targeting Xu Qingshan, and in the end, Xu Qingshan was signed by Peking University during the honeymoon period of the cooperation.
"I didn't expect that Tian Yuan and Xu Yuan would mention this matter as soon as I came back. Peking University has always provided a lot of resources. We can't be ungrateful, right?"
Xu Qingshan smiled, and Qiu Yong had nothing to say.
"Okay, but we can't let go of the cooperation. It's Shang De's business to find you this time, but it's just good news."
Qiu Yong smiled bitterly and continued.
“There are mayors on both sides to check, and the efficiency is astonishingly high. Now Liangxi Shangde has been completely separated. As for the foreign subsidiaries, they are now reported back to the State-owned Assets Supervision and Administration Commission, which can be regarded as nationalized. We don’t need to worry about those. The domestic physical industry sector retains the Liangxi Suntech identity and is still called Liangxi Suntech Solar Energy. Then the debt reduction has been completed. Lu The island still has a lot of cash. The section you want has been established in the Xiang'an area of Ludao. The ownership of the production line has been changed. Several fleets have sent it over overnight. The factory has started to be built, and the relevant technologies have also been completed. We are going through the handover procedures. The new company is called Xinnengan. Are you relieved?"
Xu Qingshan nodded, it was he who decided the name of Xinnengan.
“You, Mayor Liu, are also shrewd, but Lao Zhu didn’t get much benefit from him.”
Qiu Yong said half-jokingly.
"But at least Zhu Shi has completely eliminated this big thunder, hasn't he? After all, Liu Shi's term of office is not long. After doing this, he will either go up or down. He has exhausted all he has learned in his life. "
Xu Qingshan also replied with a smile.
“Then these are the application materials for our trip this time, as well as instructions about our research and cooperation. If you see that there are no problems, I will submit them to the ministry to prevent anyone from making a fuss about this in the future. . ”
Qiu Yong handed the really important and key documents to Xu Qingshan. Xu Qingshan suppressed his smile, went through the documents carefully, and signed his name on the back of the materials after confirming that they were correct.
"By the way, how is your scientific computing software doing now? Last time, our laboratory checked the data set and sent it to you. Why haven't we seen you yet to give us the next task?"
Qiu Yong closed After sealing the document carefully, he asked again.
“I have been busy moving my laboratory recently. I plan to get a computer room for my laboratory. It will be more convenient then. Once the hardware is ready, the server will be directly arranged and then it can be released. There will be no follow-up The other necessary work is just waiting for the finished product."
Xu Qingshan stood up.
"Is there anything else you want to explain? If not, I'll leave first. I'm still busy with a lot of things at school."
"Go on, go on, even if there is no use locking you here, you are in the Cao camp and your heart is in the Han Dynasty."
Qiu Yong pursed his lips and waved his hand.
"As you said, if you give the order from Qiu Yuan, don't I have to come here in a hurry? Let's go, bye."
Xu Qingshan waved and left coolly, Qiu Qingshan Yong was sighing secretly in the room.
After coming out of Huaqing, it was getting late. Xu Qingshan called Wang Wei and told them not to wait for him in the new laboratory, and to go directly back to Yandong Garden.
I almost forgot that the school was arranging a new teachers' apartment for me. I had lived in this small second-bedroom apartment for more than half a year, and finally managed to make it feel like home. Now I have to move.
When I got home in the evening, Jiang Huanxi hadn't come back yet. She had a full class today and ate directly in the cafeteria. Tong Tong didn't come back either. She was still doing experiments, so it was normal for her not to come back to eat at night.
No one is at home, I am alone.
Xu Qingshan was not in the mood to cook, so he just found some bread and read the literature on Hodge's theory.
After looking at it for a long time, Xu Qingshan's cell phone rang. It was Liu Ruochuan.
"Brother, what's wrong?"
"What are you doing? I just went to the Confucian School of Science and Technology, why did I seem to see your partner in class? She seemed to have beaten me. "Hello, but I am a little face-blind and dare not recognize it."
As Liu Ruochuan said, Xu Qingshan was stunned for a moment.
"You started teaching students so soon? Are you suddenly inserting lessons in the middle of the year?"
"No, I'm just helping Senior Brother Xiaohua take the first class. You and I are sitting in the front row alone, with several girls next to me. I'm introverted and shy and don't dare to talk to female students."
Liu Ruochuan's mouth One golden sentence after another jumped out loudly, which also made Xu Qingshan amused.
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“Come on, get out of class is over now?”
“Yes, do you want to go have some midnight snacks together? I’ll invite you, it’s late at night, class is really strenuous, I still I have a good thing for you. My luggage in France has finally been sent back, and no one told me that international logistics is so much slower than my human luggage.”
Liu Ruochuan suggested, and Xu Qingshan looked at the plastic bag of bread he had thrown aside and agreed.
"Then I'll call Huan Xi and Tong Tong. I'll bring two people with me. Can you invite me?"
"Yes, yes, yes, really, show off your affection and show off your sister, right? Just wait for me, and when my French girlfriend comes to the country to find me, I will show it to you in person."
Liu Ruochuan was hesitant, but he agreed.
While he was talking, the door outside Xu Qingshan's house rang. He stood up and took a look, but it was Jiang Huanxi and Tong Tong who came back together.
"Okay, send me the meeting place. They are both back."
"Where is it? After leaving the east gate to Wudaokou, there is a new veteran barbecue there. I want to eat that barbecue." It’s time for you to accompany me.”
“Okay.”
After hanging up the phone, Xu Qingshan left the room. Jiang Huanxi and Tong Tong were putting their things against the wall to take off their clothes. scarves and coats.
"Don't take it off, keep it on. You two probably didn't eat much tonight, right? Come on, someone's treating you to a late-night snack."
Xu Qingshan picked up his clothes and put them on. Although it was only April, the capital was still a little cold.
“Who is it?”
Jiang Huanxi stopped.
"Senior Brother Ruochuan, he had something to give me. I ate bread at night and just killed him."
With a few words, Xu Qingshan put on his clothes .
Tong Tong didn't speak, just silently put the untied scarf back on. Her experiment today was not going very well, and she was still reviewing it in her mind. Moreover, she did not have dinner, and was thinking about cooking a bowl of instant noodles when she came back. good.
The three of them walked to the Veterans BBQ that Liu Ruochuan mentioned.
It was a roadside stall. In this weather, there was a simple shed specially built. Xu Qingshan looked for it and saw Liu Ruochuan sitting alone at a long table, looking at his mobile phone with his head curled up.
"Have you ordered your food?"
Xu Qingshan was not polite. He entered the room and took a tissue to help Jiang Huanxi and the others wipe the chairs. He sat next to Liu Ruochuan. Jiang Huanxi and Tong Tong sat down consciously. to the other side.
Xu Qingshan and the others wanted to talk about something, and they came to have dinner.
“I ordered two small roasted suckling pigs, one for each of us and one for Xiao Jiang and Xiao Tong. This is more convenient. There are also some other barbecues and skewers. I will order each. I put some in the middle, and you can take whatever you like."
Liu Ruochuan said, picking up his bag from the ground, mysteriously unzipping half of it, and putting his hand in. He raised his eyebrows at Xu Qingshan.
“Guess what I want to give you?”
“What can you give me? A French specialty? A baguette?”
Xu Qingshan rubbed his hands and answered casually.
“Humph, superficial!”
Liu Ruochuan smiled evilly and took his hand out of his bag. He actually took out a large tome.
A thick black book was laid out. On it was a string of words that Xu Qingshan could not understand. Although it looked like letters, it was not English at all.
“Dang Dang!”
"The original French version of Bourbaki's "Elements of Mathematics", the first commemorative volume of the first edition! Do you like it?"
Liu Ruochuan raised his eyebrows crazily, seeming to be very satisfied with the gift he gave to Xu Qingshan.
Xu Qingshan looked confused.
"Bourbaki? Are you talking about the school composed of Didone and Weill?"
"Yes, Nicolas Bourbaki, "Elements of Mathematics" , haven’t you heard of it?”
Liu Ruochuan looked in disbelief.
Xu Qingshan shook his head.
“I saw this mentioned somewhere. I have never read this book. I don’t understand French. And as for “Principles of Mathematics”, isn’t it the one by Russell? I have read that one. "
Liu Ruochuan said with regret.
"Then you have to read this. It is a pity for a genius like you not to read "Elements of Mathematics". I guarantee that you can get some inspiration from this original book, and I will absorb it from it. A lot.”
Xu Qingshan took this mathematics monograph that looked a little old but was extremely well preserved and in excellent condition, looked at it, and nodded.
"Then I might have to learn French first."
"That's not necessary. It takes a lot of time to learn French. This book has an English translation. I gave you this Just keep this copy and collect it. It seems to have reached 40 volumes now. This is the original manuscript of the first edition. In fact, there are many problems. The latest edition has been revised a lot. It is more useful to read it. "
Liu Ruochuan seemed to like this mathematical treatise very much and talked about it at length.
The roast suckling pig was served on the table, and the two girls over there had eaten half of it. Liu Ruochuan was still holding the cut pork pieces in his hand and talking non-stop.
Xu Qingshan knew how to stuff each piece into his mouth.
(End of this chapter)