From failed candidate to chief scientist

Chapter 23 Children only make choices, I want them all

Hearing the system's beep, Lin Mo breathed a sigh of relief, and it was finally completed.

Although the system did not require publication of this paper, Lin Mo found that it was even more difficult than publishing if it did not require publication.

He really revised and revised this paper, polished it again and again. If it still failed to meet the system's standards, Lin Mo didn't know how to revise it.

Lin Mo felt that if his paper wanted to be published in domestic journals, there would be no problem at all, not only in foreign countries, but even so, it still did not meet the system's standards, so he had to revise it again and again.

Finally, the system had a conscience and let Lin Mo go.

Lin Mo did the math and found that the time he spent sorting out the papers here was actually longer than the time it took him to reach the full value of the entry-level mathematics subject. Is this justified?Is there any royal law?

But when he thought about it, Lin Mo was relieved. For the subject value, he could use the subject points awarded in daily tasks to add some krypton points, but for the subject promotion task, there was no possibility of cheating. He had to sort out his own skills bit by bit. Knowledge system, understanding and summarizing step by step, finally integrating it and thinking about something of your own.

The difficulty and hardship involved, like drinking water, cannot be achieved by just moving your fingers and adding a little bit.

Of course, from this moment on, the knowledge crammed into Lin Mo's mind truly became Lin Mo's own, something that belonged to Lin Mo himself.

Until this moment, Lin Mo could confidently say that he already had the entry-level level of a Ph.D. in mathematics.

After completing the subject promotion, Lin Mo looked at his panel.

At this point the math becomes:
Mathematics: Proficient (0/10000)

Mastery level!I finally have a mastery-level subject, so now I truly have the entry-level level of a PhD in mathematics, right?

However, in contrast, to upgrade to the next level, the subject value required has also increased by 10 times, and the time and energy required have also increased dramatically.

"Ding, the host's mathematics subject has reached the proficiency level. Please choose a second-level subject as your research direction. Once selected, it will be unlocked directly."

At this moment, a system prompt sounded in Lin Mo's mind.

secondary discipline?research direction?
Lin Mo hurriedly looked at the panel and saw that in the science and technology tree panel, there were five more branches next to mathematics, namely basic mathematics, operations research and control theory, probability theory and mathematical statistics, computational mathematics, and applied mathematics.

And behind these branches, it says: Unlocked (0/100).

but……

Lin Mo thought of something and looked at his panel.

Linguistics (Entry Level) – English: Entry Level (70/1000)

Why does linguistics start a secondary subject at the entry level?And mathematics is only turned on when you reach the proficient level?
Lin Mo thought about it and became somewhat clear. This was probably related to the nature of the subject. Linguistics required one language to be chosen as a learning direction from the very beginning. It was impossible to learn all languages.

This is not the case for other subjects. What you learn at the beginning are some basic knowledge, without specialization or direction.When the subject reaches a certain level, such as a doctoral level, you need to choose a specialization direction.

For undergraduates, what they want to learn is the breadth of knowledge, so they have to dabble in all aspects, but they are only scratching the surface. What they pursue is to expand their knowledge as much as possible and form their own knowledge circle.

When reaching the doctoral stage, what you want to pursue is the depth of knowledge. Choose a point or aspect in your own knowledge circle to make a breakthrough, which is the so-called circle breaking. Break through your own knowledge circle and reach a higher level.

Lin Mo withdrew his thoughts and looked at the five branches following mathematics. For a while, Lin Mo didn't know how to choose, and couldn't help but fell into deep thought.

Basic Mathematics: As the name suggests, it naturally studies relatively basic mathematics. On a larger scale, "Goldbach's Hypothesis", "Riemann Hypothesis", and "Poincare Hypothesis" are all included in it. On a smaller scale, He is an introduction to differential manifolds, differential geometry, algebraic topology, and more.

Therefore, basic subjects must be followed by third-level subjects at the next level, such as algebra, geometry, analytical mathematics, number theory, topological mathematics, etc.

Operations research and cybernetics: It uses mathematics and computers as the main tools, starting from the perspective of systems and information processing, to study and solve the modeling, analysis, and analysis of various systems such as society, economy, finance, military, production management, planning and decision-making, etc. Planning, design, control and optimization problems.

Probability theory and mathematical statistics: Probability theory is based on the statistical laws of a large number of similar random phenomena, making an objective scientific judgment on the possibility of a certain result in a random phenomenon, and making an objective scientific judgment on the possibility of such occurrence. , and make a quantitative description; compare the sizes of these possibilities.

Mathematical statistics is the application of probability theory to study the regularity of a large number of random phenomena, to provide strict theoretical proof for statistical methods obtained through a certain number of scientifically arranged experiments, and to determine the application conditions, methods, formulas, and conclusions of various methods. The degree of reliability and limitations enable people to determine from a set of samples whether a certain judgment can be guaranteed to be correct with a considerable probability and to control the probability of errors.

Computational mathematics: It is the science that studies how to use computers to solve various mathematical problems. Its core is to propose and study efficient and stable algorithms for solving various mathematical problems.

Applied mathematics: It is a general term for the application of mathematical theories and methods with clear purposes. It studies how to apply mathematical knowledge to other categories. It is a discipline that uses mathematical methods to solve practical problems.

These five disciplines are all important and have very good development and progress.

If possible, Lin Mo wanted to say, only children make choices, I want them all!
Lin Mo thought for a while, and then tried to invest 1 point of science points directly into the first-level subject of mathematics.

"Ding, the host's mathematics has reached the proficiency level, and it is not possible to directly improve it. Please choose a second-level course for improvement. The improvement of the host's second-level subject will also increase the level of the first-level subject."

Sure enough, the system's reply confirmed Lin Mo's guess.

He can no longer improve the first-level subject of mathematics and must choose a second-level subject for improvement.

Can't you want them all?

"System, can I learn all the second-level subjects?"

"Theoretically, it is possible. The host can unlock and learn all the second-level subjects at the same time, but it is not recommended for the host to do this. First of all, no matter how many second-level subjects the host upgrades, the corresponding level of the host's first-level subjects will be the highest level second-level subject. allow."

"If the host must learn all second-level subjects, it is recommended that the host raises the subject value of one second-level subject to full value before improving other second-level subjects."

(End of this chapter)