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Between classes, Zheng Wen hurriedly ran to the back, ready to explain to Liu Meng, so that the two of them could eliminate the misunderstanding and release their previous suspicions.

As soon as she was gone, she had no choice but to sit back in her seat.

I saw that Du Yi and Mr. Kong Jidao were chatting, Du Yi said: "I have long heard that there is a teacher Kong in Bingcheng University of Technology, who has profound mathematical attainments, and I have indeed benefited a lot from auditing a class today. ”

Du Yi's words are really not an exaggeration, Mr. Kong Jidao's lectures are indeed very good, his thinking is clear, and he always uses the most superficial thinking to explain complex problems and point to the essence, so the more people who have studied listen to his lectures, the more they feel that they are clever, and Liu Meng also felt this way when he first listened to the class.

"I didn't expect you kid to come to join in the fun, I've heard of you for a long time, the first prize in the national Olympiad that year, the international competition has a good ranking, and it is directly escorted to Mizuki University, which is one of the two most talented in mathematics that my old man has seen in so many years. ”

Kong Jidao was very happy to see these young juniors with outstanding mathematical talents, and praised them with a smile.

"Haha, the other one is Liu Meng, I didn't expect Mr. Kong to have such a high evaluation of Liu Meng, he could be as famous as Du Yi's brother, no wonder my father also admired Liu Meng so much, saying that he might really be able to solve the Sitapan conjecture. Zheng Wen interjected.

Kong Jidao nodded again and again, and in private, when he communicated with Zheng Zhong, he talked about Liu Meng a lot, and both of them were very much looking forward to this young man.

"It turned out to be Liu Meng, I heard Gu Pan mention it, he is indeed a rare mathematical genius, I really want to meet him when I have the opportunity, didn't he come to class?" Du Yi suddenly became interested and asked.

"It's coming, it's coming, but before the class is over, there is no one, and it is estimated that it has slipped halfway. Zheng Wen pouted, feeling very unhappy with Liu Meng's stinginess.

"He just had some ideas, and he went to check the information, and this kid also respected me as an old man, and sent me a text message to explain it before sneaking out. Doing mathematics is like this, the most rare is the idea, some people are stuck in a point for more than ten years, it is possible, and if you have an idea, you should grasp it. Kong Jidao explained for Liu Meng with a smile.

Zheng Wen was suspicious in her heart, is this really the case, isn't it because of stinginess? Look at this guy like a stingy ghost.

At this time, Du Yi was shocked in his heart, the freshman student was actually working to solve the Sitapan conjecture, which he had also studied in his junior year, and it was indeed a very nonsensical problem, which could not be solved by conventional thinking, so he could only find inspiration from the classical theory of mathematics and physics.

This conjecture is still a very popular conjecture in the current mathematics community, and many math experts like to study it very much, and it has never been solved, but more people are tired of it, and it is a very interesting topic.

At the beginning, he also studied for a while, but then he took a degree in economics, and the time was scattered, so he did not continue to study.

There is no way, the family business needs him to inherit, and his parents let him fill in the mathematics department, which is already a kind of indulgence, and as a condition, he must take the economics department.

Yu Guang looked at Gu Pan, Du Yi felt a little uncomfortable, he couldn't understand Gu Pan's character, from some of what Zheng Wen said, it was not difficult for him to deduce some information, Zheng Wen, Pan'er and this Liu Meng, the three of them should be very familiar, but when Liu Meng was mentioned, Pan'er was expressionless, still cold.

This is not normal.

Pan'er does always have a cold face in front of outsiders, as if she is wearing a mask, but when she is next to him, she is usually very relaxed.

When we went to school together today, she was still like this, which was very abnormal.

Du Yi faintly felt that something was wrong in his heart, which was why he was suddenly very interested in sending Gu Pan over to class, and he also audited the math class.

He wanted to understand the environment in which Gu Pan now lives and learns.

Now, he somewhat understands that Pan'er herself belongs to the kind of girl who is very good and strong, naturally, it is inevitable that he will appreciate boys with outstanding talents, if this highly talented Liu Meng is sincerely seduced and seduced, it is indeed difficult to ensure that Pan'er is not moved.

Girls at this age, who have just arrived at college, are most yearning for romantic love.

Thinking of this, Du Yi suddenly had a great sense of crisis, and suddenly felt that he might lose his hope, and he was nervous for no reason.

sighed in his heart, Gu Pan's own family background is good, even if he inherits a huge family business, in Gu Pan's opinion, he will not have the slightest appreciation, not to mention that these wealth are not earned by himself.

If I solve the Sitapan conjecture, Pan'er will be proud of me. Du Yi made up his mind that after returning to Mizuki University, he would concentrate on solving the Sitapan conjecture, and he must solve it!

Listening to a few people chatting, Gu Pan was very irritable for no reason, she didn't want to interject, she went out of the lecture hall under the pretext of going to the toilet, she didn't know what was going on, and when she heard a few people talking about Liu Meng, she was irritable.

"Pan'er, wait for me. Zheng Wen shouted from behind, Gu Pan pretended not to hear, and walked away.

Zheng Wen instantly pouted.

"Wenwen, my phone is out of battery, you lend it to me", Du Yi suddenly said to Zheng Wen, Xiao Nizi has always admired Du Yi since she was a child, so she naturally obeyed her words and hurriedly handed over her mobile phone.

Du Yi casually flipped through the mobile phone, quickly looked up Liu Meng, a phone number jumped out, he just glanced at it and immediately turned off the "contact", just one glance, he can instantly remember the eleven number, it is no exaggeration to say that since he was a child, he has shown extraordinary mathematical talent, is very sensitive to numbers, can instantly memorize fifty groups of numbers, and can also perform mental arithmetic, which is not much better than a calculator.

Since childhood, he has received numerous honors in mathematics.

When he got outside, Gu Pan took a few breaths of fresh air, only then did he feel a little more comfortable, grabbed the handle tightly, and said secretly: "Damn, why am I so uncomfortable in my heart, I won't have a good impression of such a selfish and stingy ghost, hum, it's still **! It's not handsome! It's not shameful!"

After hiding in the toilet for a while, he involuntarily took out his mobile phone, and the ghost sent Liu Meng's mobile phone number, and a prompt sound came from the horse: "I'm sorry, the phone you dialed has been turned off." ”

I quickly pressed the phone, relieved, and I didn't know how I dialed it, if I did, I really didn't know what to say, but I didn't get through, and I felt a little uncomfortable, and I was really annoyed......

Immersed in the world of mathematics, this sitting was eight hours, and when Liu Meng soothed his somewhat stiff body, it was already dark outside.

"It's so cool!" sighed secretly, tracing back from the origin of modern mathematics, the harvest of this day is simply more than the previous twenty years of reading textbooks, such as the origin and proof of the integral formula, the weirdness of thinking, it is simply incredible.

It's like opening up a whole new world, and you can swim in this world.

I didn't eat lunch again, and the hunger in my body came over immediately, my stomach growled, I turned on my mobile phone, and I received a message, Zheng Wen came, "Stingy ghost, where are you going?"

Liu Meng looked at it and smiled, and didn't reply, first fill his belly and then say, he went directly to the convenient canteen near the West Gate, and came to three beef pies, just out of the pot, a beef fragrance came to his nose, and he couldn't help but move his index finger and ate it in a big gulp, with millet porridge, although the combination was weird, it was excellent.

Millet porridge can first soak the stomach that has been hungry for too long, so that the beef pie can be digested well.

After eating, I came out of the convenience cafeteria, the phone rang, and I saw that it was an unfamiliar number, but I still picked it up.

A very magnetic voice said: "You are Liu Meng, hello, I am Du Yi, you may have heard of me, do you have time to meet? ”

"Good!" is concise.

"Where are you? I'll come looking for you. ”

"Simon. ”

Du Yi was already at school, he didn't go home like he told Gu Pan, but kept waiting, he wanted to see this Liu Meng, and he was a little hesitant in his heart, but when he thought of Gu Pan, he had to meet this young man, and see if he could promise some benefits to persuade him to quit.

To the south of the convenient canteen is the grove on the left side of the main building, and there is a stone table and stone bench not far from the road, the two of them are sitting here, Du Yi looked at this freshman, the feeling at first glance was very ordinary, and after a few more glances, he could feel that this teenager was neither humble nor arrogant, and he had always maintained an indifferent temperament.

Although Liu Meng didn't react on his face, he also paid attention to Du Yi, just a few glances and contact, he could roughly know what kind of person this was, and immediately made a conclusion in his heart, "This is a very principled gentleman, what are you looking for me for?"

"Senior Brother Liu Meng, I'm taking the liberty to disturb you, let me introduce myself first, contemptible Du Yi, now in the Department of Mathematics of Shuimu University, in his senior year, you can call me Senior or Du Yi. Du Yi spoke softly.

"Senior, hello, I've heard of it for a long time, it's my honor to see you", in the face of people's modest and smiling faces, Liu Meng will not know what to do, and he is also very friendly and polite.

After hesitating for a moment, Du Yi said again: "I grew up with Gu Pan since I was a child, and she has always called me brother, so it may be very presumptuous to ask like this, but I have to ask, are you pursuing Gu Pan? Do you like her?

Liu Meng didn't expect him to be so direct, this was **, and he was a little unhappy in his heart, but looking at his gentle attitude, he was still patient, "Senior, this is too personal, please forgive me for not wanting to answer." ”

"Pan'er, she has a strong personality, it's difficult to get along in private, she needs to be greatly accommodated, and there are many ......" Du Yi said a lot to himself, not so much to Liu Meng, but to say it himself.

"Senior, what do you want to say?" Liu Meng was a little puzzled.

Du Yi was a little embarrassed, paused and said, "I hope you leave Gu Pan and don't have the idea of pursuing her, you won't make her happy." Of course, the most rewarding thing is that I can guide you in mathematics, and even after you graduate, I can recommend you to my mentor, a famous mathematician in China, and I can also get you a job that everyone envies through my family connections. ”

Hearing such words, Liu Meng felt a little angry in his heart, and he was most reluctant to listen to others say such words, although Du Yi said it very tactfully and sincerely.

"Senior, you're too worried, I don't mean to pursue Gu Pan, and she doesn't have any feelings for me, you are simply worried. Although he was angry in his heart, he still maintained a faint expression on his face.

"Pan'er is still too young, and I can't be with her all the time, I haven't seen her for more than two months, and I am surprised by her changes, and I am afraid that I will not be able to understand her and keep up with her changes. Du Yi then said, "Liu Meng, you are very good, freshman students still have high school habits, and they can't help but have a good impression of excellent students, I am very worried that Pan'er will be like this to you, and I also understand that it is very likely that I am worried about nothing, and I also hope that I am worried about nothing, but I can't afford to lose, and I must take precautions." ”

Du Yi is also a resolute character, he must insist on doing things when he thinks of them, and he will not give up or change easily, he really can't imagine the second half of his life without looking forward to.

Marrying this girl has been his dream since he was sensible.

"Why do you arrange my future, if I like Gu Pan, I will chase it, if she also likes me, I will love, why should I change my mind and suppress my feelings because of the non-existent things you promised me. Liu Meng said lightly, but the corners of his mouth had risen slightly, which was the habitual expression of anger in his heart.

The atmosphere gradually became a little tense.

Du Yi is also a proud person, he feels that he can talk to Liu Meng patiently today, which has shown his greatest sincerity, but the other party does not buy it, and he is also a little unhappy in his heart, and said in a hard tone: "As far as I know, you are a poor student with limited family income, I never look down on you, but there is an old saying, women rely on marriage, men rely on their families, even if you have a strong talent for mathematics, what is the use?" There are so many talented young people in Huaxia, in the end, there are a few who are internationally famous, what do you give Pan'er happiness, their family will never agree, in the end it is just torture each other. ”

Liu Meng admitted that what Du Yi said was right, but he just couldn't stand the persecution of others like this, and felt that he was humiliated, the more so, the more he was able to calm down, just looked at Du Yi coldly, Du Yi has now become the person who annoys him, and once he has the opportunity, he will completely defeat him.

"I have personally accumulated a million over the years, as long as you sign a contract with me, I can give it all to you, think about this is a good deal, Pan'er may not like you at all, you can get one million, enough for you to struggle for ten years, or even twenty years, to improve the life of your family, and I just buy a peace of mind. ”

Speaking of which, Du Yi simply made a temptation, he believed that a poor student with a difficult family, what does this million mean? Can a peasant boy resist such temptation? As long as this contract skillfully lets Pan'er know, with Pan'er's personality, he will definitely not have a good impression of him again.

One million! In 2oo4, it is indeed a lot, even in 2o14, it is not a small amount of money, Liu Meng was really shocked, but he didn't expect Du Yi to be willing to give him one million for a superfluous worry, it is like pie in the sky, almost like winning a big lottery.

If he is really a freshman student, he may really not be able to resist this temptation, after all, real money is real, and he and Gu Pan are really nothing except for the passionate kiss of the grove, Du Yi is really idle to worry about, if from any point of view, this is a good deal to the table.

It's just that if a person compromises because of money and changes his persistence and enthusiasm, then his state of mind will be affected by this, Liu Meng can expect that if he accepts it, it will be a shadow for his whole life, and he will always tell him that he is a soft egg who can change his life for money, and he will do nothing.

Money, Lao Tzu can earn it himself, and he will never be at the mercy of others.

Thinking of this, Liu Meng stood up coldly, stared at Du Yi's handsome face, and said calmly: "I also understand that although money is not omnipotent, it is impossible to have no money, and one million is really a lot, especially a poor boy like me, who was born in a poor family, and understands the importance of money." ”

Du Yi's hard face gradually relaxed, and he felt a little proud in his heart, finally, how can a poor boy withstand the temptation, a million, can buy a mansion in a big city like Bingcheng, and he can't help but see the kid in front of him a little clearly.

The corners of Liu Meng's mouth showed a contemptuous smile, and he continued: "However, money, I can earn it myself, put away your condescending posture, put away your gentle and elegant gentleman's appearance, Lao Tzu doesn't eat this." ”

Sudden change of attitude, Du Yi's face turned blood-red, the contrast was too great, I didn't expect Liu Meng to change his face all of a sudden, and he said unwillingly: "An ethereal one, a real money, you have to think clearly, don't be angry with the scholar for a while." ”

"Senior, there's nothing else, I'll leave first, you just treat me as pretending to be hypocritical, my heart tells me that your conditions are unacceptable. Liu Meng said and got up and left.

Du Yi said loudly: "Liu Meng, what are you arrogant about? Do you have an outstanding talent for mathematics? I tell you, Sitapan conjecture, I have also studied, and after returning to Kyoto, I will start studying again." Maybe you will be psychologically unconvinced, my wealth is just the accumulation of my father's generation, you just have a bad background, then I will sue you, I will use the mathematics you are proud of, completely defeat you, when the time comes, I hope you will retain your current arrogance and take the initiative to retreat. ”

"What if I solve it first?" Do you also take the initiative to retreat?" Liu Meng turned around and looked at Du Yi coldly, his handsome face was just gone, but his elegant temperament was gone, but a kind of anger and annoyance.

Facing Liu Meng's aggressive gaze, Du Yi opened his mouth, he really didn't dare to bet on himself and Gu Pan's affairs, there was no need for this, the two were not in the same position in the first place, Liu Meng, apart from some talent, what else?

Liu Meng smiled contemptuously, full of contempt, what can a person do if he loses his courage? Even if he is rich and intelligent, he is just a wasted person.

Du Yi, who has been smooth sailing since he was a child and grew up in praise, faced with his two-term junior brother, the aggressive gaze, he had a sense of frustration, and a bloody spirit also rushed up, and said fiercely: "I won't take Pan'er's happiness as a child's play, then let's compete to see who is better." ”

"Do not do unto others as you would have them do unto you, and goodbye. After speaking, Liu Meng strode away.

Walking on the road, Liu Meng's heart was also rolling, a sense of humiliation, and then he only felt an impulse and excitement welling up in his heart, a belief that could not be challenged and would win.

Unconsciously returned to the library, looked at the three big characters on it, and walked in.

gave Guo Yunting a text message asking for leave, and then turned off his mobile phone.

Must be focused.

Find all the relevant books, every second counts.

I'm going to settle her before you Du Yi returns to Kyoto, Sitapan guessed!

After finding the right direction, Sitapan conjecture began to establish relevant mathematical theories, and expressed mathematics and physics in mathematical formulas, which can only be understood and cannot be spoken, and must be formulaic to prove, which is also the most important step.

As the minutes passed, Liu Meng kept flipping through the books, constantly writing and drawing on the paper, writing a full sheet, crumpling it into a paper ball and throwing it away.

Jingle bells, ten o'clock in the evening, the library is going to close just in time.

Liu Meng's heart was suddenly very irritable, and he was at a critical juncture, and it was the time to have a feeling, so he didn't know when he would be able to feel when he broke this thought.

It is precisely because of the challenge that when the mood reaches a perfect state, I am really unwilling to give up such an opportunity, grab a backward math I am reading, rush to the bathroom, avoid the security guards, and continue to read.

Squatting on the toilet, looking at a book, forgetting about the qiē around jì, so focused.

It wasn't until his legs were numb and trembling that he realized that he was still nesting in the bathroom, standing up tremblingly, his legs were cramping, and a tingling and uncomfortable feeling hit, Liu Meng still ignored it and continued to read, he had completely read it, immersed in the world of backward mathematics.

Mathematics is a very complex logic, just like philosophy, if you can't understand it, the more you look at it, the more painful it becomes, if you get into it, understand it, feel it, you will be fascinated, the more interesting it is.

Liu Meng is in such a state of madness now.

If you don't have such a good state, you can fully understand the backward mathematics, at least a month, advanced mathematics, the content is not much, the key is to look at the perception, it may not be able to understand it for ten years, but once an epiphany.

His legs recovered a little, and when he saw that the time was already nearly twelve o'clock, it was impossible for the security guard to still be there, Liu Meng returned to the seat just now and turned on the light.

Extrapolating the mathematics backwards, Liu Meng has completely figured it out.

As for Ramsay's two dyeing theorem, this is an interesting problem in combinatorial mathematics to solve: to find the smallest number n, so that n people must know k people or 1 person does not know each other.

It's kind of similar to saying that the interrelationship of four people can connect all people on the whole planet, but this is a special case of Ramsay's two dyeing theorem.

Holding a large number of books, constantly looking at the interconnected places in a book, turning faster and faster, all the knowledge points are improving, the gaps and sections are constantly being supplemented, and a more and more perfect knowledge chain is formed in the mind.

Gradually, the Ramsay two staining theorem had some insights, and the impression formed became clearer and clearer.

Sure enough, it is the squeezing of potential to solve the problem, when there is some loss, as long as the courage is not lost, you can achieve better results, and the top students will never give up.

I must have the courage to not be the first in my class this time, so I must be the first in my grade next time.

Time passed minute by minute, the outside changed from day to night, gradually, a white light appeared in the east, and soon, the sun was like a naughty child, suddenly revealing half of its face, the bright morning light, the seven-colored morning glow, indicating the arrival of a new day.

Regardless of the vicissitudes of life outside, inside the library, Liu Meng was still sitting in front of a pile of books, he was completely immersed in it, and entered a rare ethereal state, very similar to the last time he knocked on the novel regardless of it, highly concentrated, into a powerful subconscious, and did not pay attention to the surrounding qiē.

Holding a large number of books, constantly looking at the interconnected places in a book, turning faster and faster, all the knowledge points are improving, the gaps and sections are constantly being supplemented, and a more and more perfect knowledge chain is formed in the mind.

At a certain moment, as if there was a flash of inspiration, the calm in my mind was like the calm after the Big Bang, and the fragments of memory were rearranged and combined, automatically extracting the knowledge related to the Sitapan conjecture and putting them together.

Taking a breath, Liu Meng closed his eyes quietly, he needed to think.

I don't know how long it took!

The boy sat there with his eyes closed, surrounded by books, as if he had become one with his environment, like a speck of dust falling in a corner, unobtrusive.

But there is an invisible aura to guide it.

It's like the sky spinning, the stars moving.

Liu Meng finally opened his eyes and swallowed a breath of turbidity, his eyes radiating bright light, which was particularly eye-catching. Yes, he finally cleared his mind, and by this point, he had solved this conjecture 8o%, and all that remained was to refine the theoretical derivation and write the thesis.

Quickly write down the entire thought process on a piece of paper and grasp the fleeting inspiration.

After writing a piece of paper, continue to the next paper, write extremely fast, seize the moment of understanding, and quickly record it, otherwise, maybe the time of a meal will be forgotten cleanly.