A Borrowed Life (Existence)

 “Naked I came from my mother’s womb and naked I shall return there. The Lord gave and the Lord has taken away; Blessed be the name of the Lord” —  Job 1:21.

This life is not ours.

Though we claim it as ours.

And we are the masters of our fate too.

Right??

Wrong!!

This life, we claim as ours, is a precious gift from Lord GOD.

And for a while, we act, we grow, we enjoy, …, we cry, we succeed.

And we eventually die (we return the gift).

It’s all providence, the Lord’s Domain.

Amen!

Dave.

“Holy, Holy, Holy (Lord GOD, Almighty) lyrics and music”

David Hilbert: The Architect of Modern Mathematics

“In July 1915, Albert Einstein paid a visit to the University of Göttingen (Germany) on the invitation of the mathematician David Hilbert (1862-1943). It was a fruitful encounter for both men that continued over the following months with an intense scientific correspondence. Einstein described that period as the most exhausting and stimulating of his entire life, the result of which was a series of studies and articles, authored by one or the other scientist, in which they formulated the equations of the gravitational field of the General Theory of Relativity (GTR)…

Source Link:

David Hilbert: The Architect of Modern Mathematics.

Relevant Links:

Mathematical Problems;

Hilbert’s Problems: 23 and Math.

“The further a mathematical
theory is developed, the more
harmoniously and uniformly
does its construction proceed,
and unsuspected relations are
disclosed between hitherto
separated branches of the
science.”

“We must know. We will know!”David Hilbert. 👍✌

A Brief Analysis of the Collatz Conjecture

Algorithm for the Collatz Conjecture.

In short the Collatz problem is simple enough that anyone can understand it, and yet relates not just to number theory (as described in other answers) but to issues of decidability, chaos, and the foundations of mathematics and of computation. That’s about as good as it gets for a problem even a small child can understand.” — Matt.

Is the Collatz conjecture true?

“We must know. We will know!”David Hilbert.

Remark: If n = 1, the algorithm terminates all computations.

Crucial Idea: R+ is a dense set.

Remark: R+ is the set of all positive real numbers.

We claim

  1. n_{t} = (\frac{3}{2} )^{\frac{t}{2}} *  (\frac{3}{4} )^{\frac{t}{4}} *  (\frac{3}{8} ) ^{\frac{t}{8}} * ... *( \frac{3}{2^{k}} ) ^{\frac{t}{2^{k}}} * r = 1

over the Collatz sequence of positive odd integers, from n_{0} > 1 to n_{t} = 1 where the index, t, is the number of trials it takes the Collatz sequence of odd integers to converge to one.

Remark: There are no infinite (nontrivial) cycles of any length ( (\frac{3}{2} )^{\frac{t}{2}} * (\frac{3}{4} )^{\frac{t}{4}} * (\frac{3}{8} ) ^{\frac{t}{8}} * ... *( \frac{3}{2^{k}} ) ^{\frac{t}{2^{k}}} \rightarrow 0 and r \rightarrow \infty as t \rightarrow \infty) in the Collatz sequence since the index, t, is clearly finite in equation one.

In addition, our claim is fundamentally based on the distribution of maximum divisors, 2^{i_{max}}, for finite sets of consecutive positive even integers (e.g. {2, 4, 6, …, e_{max}}) where 2 is the minimum positive even integer and where e_{max} is the maximum positive even integer belonging to those sets…

The positive real number, r, is determined by the algorithm for the Collatz conjecture. And therefore, its computation is generally complicated because we cannot easily compute the maximum positive even integer, e_{max}, in the Collatz sequence (orbit) for many odd positive integers, n_{0} >  2^{68}.

Question: For any odd positive integer, n_{0} >  2^{68} , can we approximate the maximum positive even integer, e_{max}, in the Collatz sequence (orbit)?

The variable, k, is determined by the maximum positive even number, e_{max}, in the Collatz sequence: k = \left \lfloor{\frac{log(e_{max })}{log(2)}}\right \rfloor.

Can we refute our analysis?

We assume maximum divisors, 2^{i}, for any positive even integer.

Remark: The Collatz conjecture is true for all positive integers, n_{0} \le 2^{68}.

For any positive odd integer, n_{0} > 2^{68} -1, we have

n_{1} =  \frac{3n_{0} +1}{2^{i_{1}}} = \frac{3}{2^{i_{1}}} * r_{1} where r_{1} = n_{0} +\frac{1}{3}.

n_{2} = \frac{3(\frac{3n_{0} +1}{2^{i_{1}}}) + 1}{2^{i_{2}}} = \frac{3}{2^{i_{1}}} *\frac{3}{2^{i_{2}}} * r_{2}

where r_{2} = \frac{1}{9}(2^{i_{1}} + 9n_{0} +3).

n_{3} = \frac{3(\frac{3(\frac{3n_{0} +1}{2^{i_{1}}}) + 1}{2^{i_{2}}}) + 1}{2^{i_{3}}} = \frac{3}{2^{i_{1}}} *\frac{3}{2^{i_{2}}} *\frac{3}{2^{i_{3}}} *r_{3}

where r_{3} = \frac{2^{i_{1}}}{27}*(2^{i_{2}} + 3) + n_{0} +\frac{1}{3}.

n_{t} = r_{t} * 3^{t}\prod_{j=1}^{t } (\frac{1}{2^{i_{j}}}) where r_{t} > 1 since 3^{t}\prod_{j=1}^{t } (\frac{1}{2^{i_{j}}}) < 1 and since n_{t} \ge 1.

Question: Is 3^{t}\prod_{j=1}^{t } (\frac{1}{2^{i_{j}}}) > 1 possible? No!

Why? Hint: n_{0} > 1.

Therefore, r_{t} \ge 3^{-t}\frac{1}{\prod_{j=1}^{t } (\frac{1}{2^{i_{j}}})}

Thus, r_{t} = 3^{-t}\frac{1}{\prod_{j=1}^{t } (\frac{1}{2^{i_{j}}})} or r_{t} > 3^{-t}\frac{1}{\prod_{j=1}^{t } (\frac{1}{2^{i_{j}}})}

Moreover, n_{t} = r_{t} * 3^{t}\prod_{j=1}^{t } (\frac{1}{2^{i_{j}}}) =  r * (\frac{3}{2} )^{\frac{t}{2}} * (\frac{3}{4} )^{\frac{t}{4}} * (\frac{3}{8} ) ^{\frac{t}{8}} * ... *( \frac{3}{2^{k}} ) ^{\frac{t}{2^{k}}} \ge 1 where r_{t} > r.

We conclude r_{t} = 3^{-t}\frac{1}{\prod_{j=1}^{t } (\frac{1}{2^{i_{j}}})} since r_{t} is a positive rational number and since there are no infinite (nontrivial) cycles in any Collatz sequence. Hence n_{t} = 1.

Important Remark: The Collatz Conjecture is true! 🙂

Example: If we let n_{0} = 57, then we compute e_{max} = 196, k = 7, and t = 10.

Therefore, r = r(57, 10) = 1/.0841  394 = 11.8850384.

Dave’s Conjecture: r = r(n_{0 }, t) = O(t) or r = c_{t} * t for some real number, c_{t}, such that either c_{t}  >  1 or 0 < c_{t} < 1.

Example: If we have t = 1 for some n_{0 }, then as k \rightarrow \infty,

r = \frac{1}{ \prod_{i=1}^{k }(\frac{3}{2^{i}})^{\frac{t}{2^{i}}}} \rightarrow \frac{4}{3 } = c_{1 }.

Therefore, r = r(n_{0 }, 1) \approx \frac{4}{3} for infinitely many positive odd integers, n_{0} > 1.

Remark: For our example, we compute n_{0 } \in {5, 21, 85, 341, …, \frac{2^{2j} - 1}{3}, …} for all positive integers, j > 1.

Questions: What are the values (convergent) for c_{2}, c_{3}, c_{4}, ...?

Example: We compute r = r(n_{0 }, 2) \approx 1 \frac{7}{9} for infinitely many positive odd integers, n_{0} > 1.

And therefore, c_{2} = \frac{8}{9} where

n_{0 } \in {7281, 29125, 116501, 466005,…, 4 *l_{j}+1, …} for all positive integers, j \ge 4.

Remark: For our example, we assume l_{1} = 7,281,  l_{2} = 29,125, l_{3} = 116,501, l_{4} = 466,005.

Old Example: If we let n_{0} = 57, then we compute e_{max} = 196, k = 7, and t = 10.

Therefore, r = r(57, 10) = 1/.0841  394 = 11.8850384. However,

r = r(n_{0}, 10) \approx \frac{1}{ \prod_{i=1}^{\infty }(\frac{3}{2^{i}})^{\frac{10}{2^{i}}}}  = \frac{1}{.0563135} \approx 17.75773127

for infinitely many positive odd integers, n_{0} > 1.

And therefore, c_{10}  \approx 1.775773127 where

n_{0 } \in {57, 229, 917, 3669,…, 4 *l_{j}+1, …} for all positive integers, j \ge 4.

Remark: For our old example, we assume l_{1} = 57, l_{2} = 229, l_{3} = 917, l_{4} = 3669.

For n_{0} = 57, we compute the following Collatz sequence where t = 10:

172

86

#1: 43

130

#2: 65

196

98

#3: 49

148

74

#4: 37

112

56

28

14

#5: 7

22

#6: 11

34

#7: 17

52

26

#8: 13

40

20

10

#9: 5

16

4

2

#10: 1

For n_{0} = 917, we compute the following Collatz sequence where t = 10:

2752

1376

688

344

172

86

#1: 43

130

#2: 65

196

98

#3: 49

148

74

#4: 37

112

56

28

14

#5: 7

22

#6: 11

34

#7: 17

52

26

#8: 13

40

20

10

#9: 5

16

8

4

2

#10: 1

Remark: The common Collatz sequence of positive odd integers for our old example is

{43, 65, 49, 37, 7, 11, 17, 13, 5, 1}.

Final Remark (Hmm): The 3n_{0} + 1 Problem (Collatz Conjecture) has n_{0}\pm 1 (mod 4) solutions for a given index, t. The solutions are not unique for a given index, t. We assume n_{0} \gets 4n_{0} \pm 1.

Important Note:

All odd integers > 1 are either in the sequence, 5, 9, 13, 17, …, 4n +1 or in the sequence, 3, 7, 11, 15, …, 4n – 1 where n > 0.

*****The End of Our Brief Analysis of the Collatz Conjecture *****

Reference Link:

Wolfram Cloud (Mathematica Online);

The function, nvalue[t], computes a random positive odd integer, 21 \le n_{0} < 100,000 (initially), for a small index, 1 \le t \le 10 (number of trials for a Collatz sequence of odd integers to converge to one from the computed n_{0}).

Source Code:

nvalue[t_] := (
tt = t;
icnt = 0;
n = 2 * RandomInteger[{10, 50000}] + 1;
While[icnt != tt,
While[n != 1,
If[icnt == 0, nstart = n];
n = 3n + 1;
While[EvenQ[n], n = n/2];
icnt = icnt + 1;
If[icnt > tt, n = nstart + 2 *RandomInteger[{1,10}]]
If[icnt > tt, icnt = 0]]];
Return[{tt, nstart}])

__________________________________________________________

Some Examples:

nvalue[2] computes for t = 2 a random value, n_{0} = 54, 613;

nvalue[10] computes for t = 10 a random value, n_{0} = 67, 077;

nvalue[5] computes for t = 5 a random value, n_{0} = 7,885.

nvalue[6] computes for t = 6 a random value, n_{0} = 82,485.

nvalue[4] computes for t = 9 a random value, n_{0} = 69,965.

nvalue[1] computes for t = 1 a random value, n_{0} = 87, 381.

nvalue[41] computes for t = 41 a random value, n_{0} = 29, 137.

nvalue[75] computes for t = 75 a random value, n_{0} = 57, 855.

Graph of Collatz Sequence for n_{0} = 57, 855.

nvalue[75] computes for t = 75 a random value, n_{0} = 15, 051.

nvalue[150] computes for t = 150 a random value, n_{0} = 2, 139, 623.

nvalue[150] computes for t = 150 a random value, n_{0} = 2, 143, 079.

nvalue[200] computes for t = 200 a random value, n_{0} = 6, 899, 327.

nvalue[211] computes for t = 211 a random value, n_{0} = 21, 069, 775.

nvalue[250] computes for t = 250 a random value, n_{0} = 46, 912, 975.

nvalue[300] computes for t = 300 a random value, n_{0} =  330, 552, 319.

nvalue[351] computes for t = 351 a random value, n_{0} = 1, 505, 110, 398, 721, 395.

nvalue[351] computes for t = 351 a random value, n_{0} = 1, 514, 992, 426, 990, 283.

nvalue[408] computes for t = 408 a random value, n_{0} = 319, 762, 236, 301, 419, 029.

Go Blue! 👍✌

Relevant Reference Links:

Wolfram Alpha Computation (r3);

Collatz Conjecture Calculator;

Our_Response_to_4.2_A_probabilistic_heuristic;

Proof of Collatz Conjecture;

The Collatz Equation that supports the Collatz Conjecture;

What is the importance of the Collatz conjecture?

An Analysis of the Collatz Conjecture;

THE 3x + 1 PROBLEM: AN OVERVIEW.

“Counting and ordering stuff (objects, sets, numbers, spaces, etc.) are fundamental.”

P.S. FIGHT SEXISM AND RACISM IN THE SCIENCES INCLUDING MATHEMATICS! THANK YOU!

Oops! The Proceedings of the London Mathematical Society rejected the paper,  “A Brief Analysis of the Collatz Conjecture, for publication! Why?

We are very confident our work is valid, and we suspect our work was rejected because of political reasons… It does happen (ostracism, blacklisting, injustice, etc.). But we are also very grateful that Lord GOD is our greatest protector, greatest provider, and our greatest redeemer. Amen!

More Links:

Two Important Properties of Convergent Collatz Sequences.

Bakuage Offers Prize of 120 Million JPY to Whoever Solves Collatz Conjecture, Math Problem Unsolved for 84 Years.

Dave.

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