The military-industrial scientific research system of the academic master.

Chapter 821 The project hasn’t even started yet, but it’s already been solved?

Finally, after calculating alone for nearly half an hour, Perelman, out of professionalism as a scholar, stood up again and finished explaining what was on the blackboard.

However, anyone can see it.

In the last paragraph, he was quite absent-minded.

Obviously, what was just written on paper is extremely important.

It distracted most of his attention.

Fortunately, this method of proof is easy to understand and there are no other twists and turns.

Overall, this report meeting was a success.

Especially for Tang Lintian.

Although he didn't fully understand.

But a new theorem was first made public at a lecture held at the little-known Beijing University of Aeronautics and Astronautics.

This incident itself is full of legend.

He has even started thinking about how to do some publicity.

Tang Lintian himself did not understand theoretical mathematics, and the experts who were present just now were basically from other schools.

The envious looks from a dozen colleagues did make him feel good, but when he really wanted to find someone from his own family to help him with something, it turned out to be a bit troublesome.

Therefore, immediately after the report meeting ended, Tang Lintian showed agility that was completely inconsistent with a middle-aged man in his fifties. Like a slow arrow shot from a bow, he jumped out of his seat and prepared to stop Chang Haonan who was leaving side by side with Perelman.

"Professor Chang!"

After a lot of hurrying, they finally stopped the other person at the door of the auditorium.

Chang Haonan turned around and saw Tang Lintian panting behind him. Then he realized that he was too distracted just now and left without saying goodbye.

It's really inappropriate.

"Professor Chang, I..."

Before Tang Lintian could even say that he wanted Chang Haonan to help him write a press release, he was interrupted by the latter.

"President Tang, I'm sorry, Professor Perelman and I will not be attending the reception tonight."

Regarding Chang Haonan's request, Tang Lintian basically agreed first and then thought about it, so he nodded without even thinking:

"it is good……"

Then I realized what kind of heaven-defying thing I had agreed to.

Wow, I invited all the top mathematics departments in the country.

Some of them came from outside the Fourth Ring Road, and some even came from Hunan and Min provinces. They can't be here just to see my old face, right?

So you two VVVIPs said you couldn’t come?

Tang Lintian was numb, and his cheerful expression just a second ago suddenly froze on his face.

"Wait a moment……"

"How……"

"Didn't I just..."

He has begun to reflect on whether he had not treated the guest well enough, which led to the dissatisfaction of Perelman, a boss who is said to have a strange personality.

Chang Haonan's mind was full of thoughts at the moment, and he didn't have the energy to explain too much, so he just waved his hand:

"Several other people from the Steklov Mathematical Institute will still attend the dinner."

"As for the two of us..."

He glanced at Perelman, who was concentrating on thinking, and smiled mysteriously:

“We are on our way to uncovering how the world works.”

Solving a complex mathematical problem often takes months or even years.

But most of the time is actually spent on "calculation".

In the past, we relied on paper and pen, but now of course we can rely on supercomputers.

However, the reason why mathematics cannot be equated with arithmetic is that there are still some truly critical steps that cannot be solved by calculation alone.

It requires inspiration.

And now, Chang Haonan and Perelman have undoubtedly caught the tail of inspiration.

It is naturally impossible to waste time on something as simple as a dinner party.

Tang Lintian was stunned.

At first glance, this statement seems to be too big.

If it came from someone else, he would definitely think it was a hoax.

But Chang Haonan...

In Tang Lintian's impression, the other party never seemed to exaggerate his research -

Even in the proposal report, which generally requires value sublimation, this has never happened.

Of course, Chang Haonan’s proposal report will also be valuable.

But the problem is that the value others attach to you is just a casual remark.

And his value can really be realized...

Thinking of this, Tang Lintian took a deep breath and nodded.

"it is good."

……

The light in Chang Haonan's office stayed on all night.

Perelman's absence from the dinner that day also triggered a series of speculations.

Although Beijing University of Aeronautics and Astronautics publicly stated that the professor was unwell and unable to attend, rumors will not care what explanation you give.

Almost that evening, rumors began to circulate that "Professor Perelman was dissatisfied with the extravagant atmosphere in the Chinese academic community and angrily refused to attend the dinner."

What happened next was a surprise to almost everyone.

The next day, the visiting team from the Skeklov Mathematical Institute ended their trip early and returned to Moscow!

Now, to the ignorant crowd and even some people who attended the report meeting and banquet that day, it was simply confirmed.

For a moment, the media who caught the gossip clues pounced on it like sharks smelling blood.

After seeing off Perelman and his group, and dealing with a group of media that he could not avoid, Tang Lintian finally found Chang Haonan in the computer room of the computing center.

The sparks generated by the collision of ideas in one night were enough to set the entire mathematics community on fire.

That's almost the inspiration part.

Only some complicated but relatively low-tech jobs are left.

What Chang Haonan was doing at this time was to import the calculation program into the supercomputer——

The method he and Perelman finally decided on was to use surgical Ricci flow. This process is quite special and requires first cutting off a "neck" area in the manifold and then "gluing" it to the "top" to expand the range of solutions.

The key to the problem is to find a suitable set of "necks" and "tops" and choose the correct canonical neighborhood radius.

This process can of course also be completed using pen and paper.

But for mathematicians who are about to enter the 21st century.

Yes, but not necessary.

Computers can do that.

Especially for Chang Haonan, who is not prepared to put all his energy into this, it is the best "lazy" way.

"My dear Professor Chang, you really need to step up your game this time..."

Tang Lintian sat down on the chair opposite Chang Haonan.

Perhaps because he was anxious and the room was quite hot, his face turned red as if he had just gotten drunk, so he took off his cotton hat and used his earmuffs as a fan to fan himself:

"Leaders from several sister colleges called me to ask what happened. Huaxia Youth Daily had agreed to write a special report on this matter, but you two disappeared last night. This morning, their leaders came to question me and said that they had even reserved space for you..."

After pouring out his grievances, Tang Lintian turned his head and secretly glanced at the opposite side.

It turned out that Chang Haonan had a heart of stone and did not react to his complaints.

After failing to play the victim, he could only cough twice, take off his cotton coat, and then sit up straight:

"Professor Chang, to be honest, although I can still withstand the pressure this time, but you should at least tell me what you are holding back this time, so that I can have an idea, right?"

"call--"

After hearing what he said, Chang Haonan finally raised his head and breathed a sigh of relief:

"Two things."

"First, I plan to use the three-dimensional sphere theorem I derived yesterday to optimize the manifold learning algorithm I developed earlier and extend the algorithm's applicability from high-dimensional space to three dimensions and below."

"Uh……"

Tang Lintian stopped what he was doing, and a look of bewilderment appeared on his face:

"Can you... explain it?"

He was an expert of some reputation in the aviation field, but at this moment he felt as if he had never been to school.

Although he knew every word the other party said, he just couldn't understand when they were put together.

"It means that the data obtained in three-dimensional space can be further reduced in dimension and then handed over to the computer for processing."

Chang Haonan had already finished his important work at this time, so he explained patiently:

"Specifically, Professor Meng's project on feature extraction of hyperspectral remote sensing data can basically be completed."

"what?"

Tang Lintian was completely shocked:

"Conclude...conclude the question?"

After being stunned for a few seconds, he continued:

"But the project has just been submitted and hasn't even been officially started yet?"

Completing the project before the topic is even proposed is absolutely unprecedented and it will probably be hard to find another success in the future.

Of course, this refers to other comers.

"Hey..."

Chang Haonan raised his hand and tidied up his messy hair:

"It was mainly because the inspiration came to me yesterday. I didn't expect it to happen so quickly."

Fortunately, Tang Lintian was accustomed to Chang Haonan's incredible operations and quickly convinced himself to calm down.

"Then now..."

He pointed to the machine room next door where the fan was roaring:

"Are you testing the algorithm you just mentioned?"

At this point, Tang Lintian suddenly reacted:

"That's not right. This matter doesn't seem to have anything to do with Perelman, right?"

"Oh... these are the second things."

Chang Haonan leaned back in his chair, waved his hand gently, and said casually:

"We are trying... no, we are trying to solve the Poincare conjecture."

The hat in Tang Lintian's hand fell to the ground.

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