Top Student

After Xu You told Lou Song that he was sure to participate in the math competition training, Lou Song was also very happy.

Being able to study with a high-level friend like Xu You, Lou Song's learning efficiency will also become more efficient.

"Are you aware that physical tools are not enough?" Lou Song laughed.

Having been with Lou Song for so long, Xu You knew that this was Lou Song's ironic way of joking.

For a long time, students in the Department of Mathematics and Department of Physics have been arguing about the status of the two disciplines.

Many mathematics students mistakenly believe that physics is the application of applied mathematics.

Many physics students also naively believe that mathematics is a tool for theoretical physics.

Objectively speaking, the importance of these two subjects is beyond doubt.

In terms of status, it is impossible to make an accurate comparison.

But Xu You has always believed that learning mathematics well will definitely be of great help to physics.

"No, mathematics is the mother of all subjects. Although I will definitely not be able to enter the national team in mathematics competition, the training process is also very meaningful."

"That's what I said. No matter who gets the final spot, the two of us will try to win the top two places in the trials."

"Hey, my goal is not just the top two."

"Oh? Then I have to wait and see."

After the number competition training started, Xu You, Lou Song and other players selected for the number competition national competition came to the classroom one after another.

Like the training camp of Wujing, Shujing also has some auditors who were not selected for the National Contest, and after passing the application, they obtained the qualification to audit.

The selection process of the official players of the Shujing national team is divided into two stages.

In the first phase of training, 15 players will be selected to participate in the subsequent second phase of training.

In the end, 6 national team members were selected to participate in the 63rd IMO.

Lou Song is undoubtedly the most eye-catching one among the players in this year's math competition.

Not only is he very young, but he also won the first place in the CMO national competition with a full score.

Xu You's reputation is also very loud.

Not only the results of CMO are in the top few, but also won the first place in CPhO at the same time.

Because of their roommates, Xu You and Lou Song naturally sat together.

After the pressure of ranking was gone, Xu You's mentality was very relaxed.

It is entirely for the purpose of acquiring mathematical knowledge and enjoying the fun of solving problems.

In the first stage of selection, both Xu You and Lou Song were promoted without any surprise.

In the second stage of training, the overall training intensity has been raised to another level.

But for Lou Song and Xu You, this feeling is more enjoyable.

The training content of the second stage included the 1988 IMO question 6, which even the number theory experts of the host country at that time could not solve the questions in 4 and a half hours.

It also includes the third question of IMO in 2017. Among the 615 contestants, 608 did not even get a point.

For all these problems, Xu You and Lou Song successfully got full marks in the training.

In the final second stage of the selection competition, Lou Song still got full marks even though he handed in the test paper three hours earlier.

Although Xu You's speed was much slower than Lou Song's, he still got a full score and tied for first place in the trials with Lou Song.

At the moment of seeing the results, the team leader and coaching staff of the Shujing national team were all caught in a tangle.

It was within their expectation that Lou Song could get full marks.

But no one would have imagined that a student like Xu You, who focused on physical competition, could get full marks in the IMO-level trials.

Faced with Xu You's achievements, some members of the coaching staff even wanted to fight for it again.

"The system that a player cannot be selected for two national teams in the same year, I think it should be changed."

"But who would have thought that a student could have so much energy and learn both subjects so well?"

"If you want to change it, you have to wait until the next term at the earliest. Even if there are problems with the established system, it is impossible to change it suddenly now. This is really unfair to other students."

After careful discussion, the coaching staff unanimously decided to implement the original system.

Even if Xu You can't be selected for the national team, it is indeed a pity.

But it can't break the rules that have been set early.

Xu You was very open about this, anyway, he already knew about it before.

Xu You has indeed learned a lot from these days of training, and this trip is absolutely worthwhile.

In the end, because Xu You has already been selected for the National Team of Mathematical Sciences, the seventh-placed student will make up for this China National Mathematical Competition.

"Don't worry, even if you don't go, the first place must be our Huaxia."

"Of course, with you here, I can go to IPhO with peace of mind."

Thinking of being able to represent China in the future, compete in the international arena, and win glory for the country.

Both Xu You and Lou Song were looking forward to it.

After finishing the number competition training.

Xu You re-examined his subject level.

[Mathematics: 228↑]

【Physics: 258↑】

"Mathematics has broken through 200 points?" Xu You couldn't help exclaiming as he looked at the data on the system interface.

Although Xu You didn't know what kind of ability a subject level of 200 points meant.

But Xu You remembered that when he won the CPhO championship with full marks before.

The subject level of physics is only 208 points.

And at that time, Xu You still felt that the topics of the CPhO national finals were a bit simple.

"It's no wonder you got full marks so easily in this number competition."

In addition to the rapid improvement of mathematics.

Xu You also noticed that his level of physics has also quietly improved.

You know, during this period of time, Xu You has never touched physics.

"Could it be that the improvement of my mathematics level has allowed me to break through the bottleneck of physics?"

Xu You felt that such a possibility did exist.

After returning to the dormitory, Xu You picked up the materials about physics again.

I haven't touched physics for a month, and the feeling of reunion after a long absence is a bit more wonderful.

Xu You also clearly felt that his thinking was much broader than before.

Taking advantage of his good condition, Xu You continued his previous research questions:

How to stably realize high-dimensional quantum gates for arbitrary single photons.

This problem is not only a physical problem, but also a mathematical problem.

In fact, in the previous research, Xu You has basically come up with a solution to the problem from a physical point of view.

But in the specific matrix construction, it has stagnated.

At this time, Xu You turned on the deep learning state and increased the power of the brain to the maximum.

"On the basis of the classical Pauli gate, by increasing the dimension, it should be possible to realize the conversion of high-dimensional quantum states."

"By the way, the Bloch sphere!"

Suddenly, Xu You thought of such a geometric representation.

This is, in quantum mechanics, a geometric representation of the space of pure states in a two-state system.

After Xu You drew the Bloch sphere on the draft paper, he soon had a clear idea.