Lin Zhixia heard the sarcasm in Tan Qianche's words.
As Xu Lingbo's mentor, Lin Zhixia certainly wanted to protect her student. She said, "Xu Lingbo is still studying for a master's degree, but you have already graduated with a doctorate, Professor Tan."
Afterwards, Lin Zhixia solemnly introduced her favorite student Fang Yiwen to Tan Qianche. She let Fang Yiwen speak first and talk about her recent research work.
Fang Yiwen immediately picked up a black marker and stood in front of a huge whiteboard, drawing and describing: "For a general multi-electron system, the tensor product of the single-electron Hilbert spaces that make up it is the multi-electron wave function space... My topic is not difficult. If you use your brains, you can understand it, right? I combined machine learning and quantum chemistry and used deep learning to create a framework to predict quantum mechanics wave functions. There is a paper in Nature that uses the wave function of the local basis of atomic orbitals to derive other ground state properties [1]..."
Fang Yiwen spoke very clearly.
Xu Lingbo heard it in the clouds and mist.
Tan Qianche interrupted Fang Yiwen and asked her a few questions. She answered them calmly, which gave Lin Zhixia enough face. She, Lin Zhixia and Tan Qianche discussed for more than 20 minutes, and the entire whiteboard was almost filled with words. Even Zhan Rui showed a blank expression.
The new undergraduate student named Cui Yiming could actually understand the argument between Fang Yiwen and Tan Qianche.
Cui Yiming expressed his views, which attracted Tan Qianche's attention.
Tan Qianche said: "Teacher Lin, the students in your group are of very high level."
Lin Zhixia was a little happy.
Although she failed badly in the course "Quantum Bits and Computers" and more than half of the students left, the graduate students in the research group still had their own strengths, and Fang Yiwen's enthusiasm for learning was unprecedentedly high.
Lin Zhixia was very satisfied.
Next, she invited Zhan Rui to give a public report.
Lin Zhixia even stood up from her seat, walked over to the whiteboard, and personally wiped it clean. She was gentle and graceful, without any airs of a teacher, but Xu Lingbo's heart was beating fast like a drum - he just noticed that every student had to write something on the board, but what could he write?
His mind is as pure as a blank sheet of paper.
He swallowed nervously.
Zhan Rui has already taken the stage.
"Good afternoon, teachers." Zhan Rui greeted the teachers.
Zhan Rui knew Tan Qianche from the School of Physics. Professor Tan was so famous, not only for his academic achievements, but also for his appearance and temperament.
In front of Tan Qianche, Zhan Rui was a little reserved.
Zhan Rui deliberately slowed down his tone and explained his thoughts word by word. He was afraid that Tan Qianche would target him like he did to Fang Yiwen, but to his surprise, Tan Qianche treated him very gently.
Zhan Rui's report ended in a peaceful atmosphere.
Lin Zhixia praised his progress and tactfully offered suggestions for improvement.
Zhan Rui said, "Teacher, I have thought about the problem you mentioned."
He was anxious to show his thinking process, so he wiped off the black pen marks on the whiteboard with his palm. His left hand became dirty and filthy, but his thoughts were clean and clear.
Zhan Rui wrote a long mathematical proof, which was not a task that could be completed overnight. In fact, he thought about it for a whole summer, but he got stuck somewhere.
His mind was completely immersed in mathematics. He could not read the operation formula, and his sentences became particularly fluent: "Distributional reinfortleanring inspired me. I rewrote the traditional reinforcement learning update strategy. Teacher, this step I..."
At this point, he came back to his senses, his brain suddenly started to panic, and he couldn't control himself and stuttered again: "I, I, I..."
Lin Zhixia patiently enlightened him, and he suddenly had an inspiration. He asked his senior sister for a piece of paper and wrote down some notes on it.
Tan Qianche couldn't help but sigh: "Teacher Lin, I'm a little jealous of you. This is your first-year graduate student, right?"
Zhan Rui sensed Lin Zhixia and Tan Qianche's affirmation of him. The recognition of the two young professors gave him a great sense of accomplishment. His tense heartstrings were completely relaxed at this moment, and he could not describe the joy of being encouraged in words.
He smiled and sat back in his seat.
At this time, it was Xu Lingbo's turn to take the stage.
Lin Zhixia turned her head and looked at Xu Lingbo intently.
Xu Lingbo's lips turned slightly pale.
Lin Zhixia was concerned about him: "Are you feeling unwell?"
The conference room was spacious and bright, and outside the French windows was a vibrant campus scene. Xu Lingbo looked out at the distant view, made up his mind, and stood up with a stack of papers in his arms: "Teacher, my research topic is "Research on Reactivity Index in Quantum Chemistry"!"
Lin Zhixia nodded: "Okay, you start talking."
What are you talking about?
Xu Lingbo held his breath and said, "I read papers on artificial intelligence."
Lin Zhixia waited for a few seconds, but Xu Lingbo still didn't respond.
She asked him, "How are you doing? Are you having any problems?"
Xu Lingbo hurriedly used the "graduate student group will fish in the big method". He kept talking about some of the latest papers, trying to get away with it. He even made up a term himself: "Last month, a top conference paper made an algorithm called Hahit, which can be used in my quantum communication network. I want to use the framework of distributed machine learning to train it..."
"What is Hahit?" Lin Zhixia asked him humbly.
He excused himself by saying, "I forgot the mathematical expression for it."
Tan Qianche smiled and said, "Didn't you bring a bunch of papers? Check them out."
Xu Lingbo lowered his head and frantically searched for the thesis.
He found an article published in August this year, and he guessed that Lin Zhixia and Tan Qianche must not have read it. He copied the formulas in the paper onto the whiteboard, and then translated the English sentences in the paper word by word, falsely claiming that this was the legendary "Hahit" algorithm.
He translated for a full four minutes before he stole a glance at Lin Zhixia.
Lin Zhixia sighed.
Tan Qianche teased her in an ambiguous way: "Teacher Lin, your student..."
Lin Zhixia reminded: "Xu Lingbo, turn to the first page of the paper and see who the author is."
Xu Lingbo did as he was told.
Lin Zhixia then said, "Read the author's name."
Xu Lingbo stammered and said the English pinyin: "QiWen..."
Tan Qianche revealed the secret for him: "This person is called Wen Qi, and he is a doctoral student of your teacher Lin. Not only your teacher Lin, but I will also read all the papers he publishes."
"Junior brother, there are a few places where you translated it incorrectly." Fang Yiwen reminded him at the right time.
Xu Lingbo felt cold all over and could hardly bear it any longer.
Lin Zhixia leaned back in her chair and looked at him directly: "How many papers have you read since the beginning of the semester?"
She clasped her hands together, her expression calm.
Xu Lingbo had long forgotten that Lin Zhixia was younger than him. In his opinion, Lin Zhixia was more terrifying than the sixty-year-old dean.
He said nothing, so Lin Zhixia said, "I want to hear the truth from you."
The class withdrawal incident this morning dampened Lin Zhixia's enthusiasm for teaching. But she still had confidence in the three graduate students in her group. She had also seen Xu Lingbo's first-year graduate school grades and reports. He was smart, had a good foundation, and had great potential for advancement. She didn't expect Xu Lingbo to lie in public at the group meeting.
She was still waiting for him to speak.
Time passed by minute by minute, Lin Zhixia remained silent, and the other students and teachers did not interrupt. In the silent conference room, a sense of oppression hung over Xu Lingbo's head like a thick cloud.
Xu Lingbo felt a chill on his back.
He didn't dare look at Lin Zhixia. He turned his head and met Tan Qianche's gaze.
Tan Qianche said lazily, "Teacher Lin, let's forget it. It's almost twelve o'clock. Let's go have lunch."
Lin Zhixia's mood was complicated. She had eaten little breakfast and had taught a whole morning, so she was very hungry. But she had to solve Xu Lingbo's problem first.
So, Lin Zhixia said seriously: "Graduate students are different from undergraduates. Graduate students need to use specific methods to solve a problem. I will not force you to study and make your life too hard. I will not require you to have a weekly work progress, because I know that the learning status is very important. If you feel tired, want to relax, and want to travel, you can ask me for leave. If you have done nothing this week, you can tell me the truth at the group meeting. My only request is that you don't lie or make up stories."
Tan Qianche wanted to laugh but didn't.
Unlike Lin Zhixia, Tan Qianche is particularly strict with his students.
Tan Qianche requires students to punch in on time every day. Things like "taking leave for travel" would never happen in Tan Qianche's laboratory.
He required his doctoral students to work twelve hours a day and only have half a day off a week - he didn't have to work so hard when he was studying for his doctorate, but none of his students were as smart as he was. Back then, he helped Yang Shuwen overcome many obstacles, but now he doesn't have so much free time to train young people hand in hand, so he can only urge them to move forward.
He originally thought that Lin Zhixia was the same type of person as him.
He looked at Lin Zhixia with amusement, remembering that when they first met, she was still a fifteen-year-old girl.
Lin Zhixia's tone was very formal: "I'll ask you again, please tell me, how many papers have you read since the beginning of the school year?"
Xu Lingbo held onto the whiteboard and said in a deep voice, "No... No, no, I haven't read it."
Fang Yiwen pointed out bluntly: "Teacher Lin, he also stutters."
Lin Zhixia did not continue to question Xu Lingbo. Her stomach was so hungry that it was about to growl. She briefly encouraged Xu Lingbo and turned to Cui Yiming, asking him to describe his research interests.
Cui Yiming stood up.
He stretched his arms, did some warm-up exercises, and stretched his muscles. He rushed to the whiteboard at high speed, as if a veteran actor who had been hidden for many years finally had the opportunity to appear on the big screen. He explained his research field and published papers in detail, and the whole audience was shining on him alone.
Finally, he suggested: "Teacher Lin, you'd better implement a last-place elimination system in the group. The doctoral degree application of Shanghai Jiaotong University...used the last-place elimination system, and the effect was remarkable."
After saying that, he glanced at Xu Lingbo.
Xu Lingbo read pity, helplessness, contempt and many other emotions in his eyes. Xu Lingbo put his hands in his trouser pockets, and his fingertips almost pinched his thighs red. He felt so uncomfortable. He was looked down upon by the genius, but he couldn't break the gap. Even Lin Zhixia was disappointed in him.
After the group meeting, Tan Qianche and Cui Yiming left first. He invited Cui Yiming to the teacher's restaurant for dinner - the dishes in the teacher's restaurant were more expensive and more exquisite. It was a great honor and dignity to be taken to the teacher's restaurant by a teacher from the School of Physics for dinner.
Lin Zhixia decided to go home for dinner. Her residence was close to the school, and there were shrimp dumplings that her mother had packed and frozen last night at home, and a box of strawberry yogurt in the refrigerator... Her thoughts were interrupted by a text message from Tan Qianche.
Tan Qianche told her: "I had a good chat with Cui Yiming, and he wants to join our group. I'm sorry, Teacher Lin, I stole your student. Young people always have their own choices."
Did I steal one of your students?
Lin Zhixia paused.
The streets are busy with cars and people coming and going.
The shadow of the tree fell on the mobile phone screen. Lin Zhixia thought for a moment and decided to send an email to Cui Yiming to ask him if he wanted to give up her project - she had a paid project on hand that was very suitable for him.
But then she thought again, what is this doing?
Does she really want to compete with Tan Qianche for students?
It’s not like she doesn’t have students.
What does Tan Qianche have to brag about?
Lin Zhixia looked up at the sky; it was still a bright, clear blue.
After about two seconds, she replied to Tan Qianche's message: "Okay, I got it. I wish him progress and you good luck in your work."
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