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Golden ratio

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This is quite popular .

Knots

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We are all living things. This is big picture. The boundary of being disappear in Zero, which is called Knotty Problems . Topology is mechanical deformations , although we don't understand completely. We are in black hole, and AI may be enlightening but we still don’t know. We have different languages and cultures. The fusion is not easy. qi = ±1 ±1 is two colors . N is the crossing number. This is almost Zero, but the line is expanding. Wr/N is the average writhe.

Tuple

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This is how AI think. a1, a2, ..., an This is n-tuple. There are two sets such as (a1, a2, ..., an), (b1, b2, ..., bn), and (a1 = b1) ∧ (a2 = b2) ∧ ... ∧ (an = bn), which is called Cartesian product. ∴ a ∈ A, b ∈ B ⇒ (a, b) ∈ A × B This is ordered pair. I use Python. Moreover, this must be expansion .

Fibonacci number

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F is Fibonacci number. Fm divide Fn, and m divide n. F2=F0+F1=0+1=1 F3=F1+F2=1+1=2 F4=F2+F3=1+2=3 n=3m → F(2,8,34,144,610,2584,10946,・・・) ∴ Fm=F3=2 n=4m → F(3,21,144,987,6765,・・・) ∴ Fm=F4=3 n=5m → F(5,55,610,6765,・・・) ∴ Fm=F5=5 This is fractal and expansion .

The Boltzmann fair division for distributive justice

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You have a cake, and there are three people. You need to divide it fair. ⅓ and 120° are the good choices. This is an easy one, which is 1/n in n people. Our society is more complicated. The demand of the cake is required by your ability and contribution. This is often greedy and competitive. The Boltzmann distribution is based on entropy maximization and provides the most probable, natural, and unbiased distribution of a physical system. Ej is the division potential, and j is players. β is a division constant. (β≧0) When β is Zero, all players receive an equal amount of cake. When β increases to a large value, only a few players having made the highest cake contributions receive most of the cake. The player’s need for the cake as the need values Dj satisfy: uj(0) = 0, uj(Dj) = tanh(1)≅ 0.762. This means that if a player receives what they need (Dj), they satisfy 76.2%. Homogeneous cake cutting is the total number of cake units, Ej is the division potential of player j...

Discrepancy theory

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There is a finite set of elements {1,2,・・n}. S1,...,Sm ⊆ {1,...,n} There are two colors. S={{い,ろ,は},{い,に},{に,ほ},{は,ほ}} ∴ This is the discrepancy. Then you see the binary distribution . You see -1={{い,ろ,は}{い,に}{に,ほ}} and 1={は,ほ}. This is at most 50%.

B-tree

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Every node has at most m children, and every node has at least m/2 children. This is known as binary . This is the maximum number of potential search keys for each node in a B-tree. 4 is the maximum, so you have the root. This is expansion. Therefore, your computer need to optimize your huge data. This is back and forth.