Bioinformatics/Medical Informatics in Traditional Medicine and Integrative Medicine
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Zhaoxue Chen, "Researches on Mathematical Relationship of Five Elements of Containing Notes and Fibonacci Sequence Modulo 5", The Scientific World Journal, vol. 2015, Article ID 189357, 6 pages, 2015. https://doi.org/10.1155/2015/189357
Researches on Mathematical Relationship of Five Elements of Containing Notes and Fibonacci Sequence Modulo 5
Abstract
Considering the five periods and six qi’s theory in TCM almost shares a common basis of stembranch system with the five elements of containing notes, studying the principle or mathematical structure behind the five elements of containing notes can surely bring a novel view for the five periods and six qi’s researches. By analyzing typical mathematical rules included in He tu, Luo shu, and stembranch theory in TCM as well as the Fibonacci sequence especially widely existent in the biological world, novel researches are performed on mathematical relationship between the five elements of containing notes and the Fibonacci sequence modulo 5. Enlightened by elementary Yin or Yang number grouping principle of He tu, Luo shu, the 12534 and 31542 key number series of Fibonacci sequence modulo 5 are obtained. And three new arrangements about the five elements of containing notes are then introduced, which have shown close relationship with the two obtained key subsequences of the Fibonacci sequence modulo 5. The novel discovery is quite helpful to recover the scientific secret of the five periods and six qi’s theory in TCM as well as that of whole traditional Chinese culture system, but more data is needed to elucidate the TCM theory further.
1. Introduction
Combining the 10 celestial stems and 12 earth branches, the Chinese sexagenary cycle can be formed, which is widely used in Chinese ancient culture as the most important means of counting time of years, months, or dates. In TCM (Traditional Chinese Medicine), given that each year is associated with a different combination of stems and branches over a cycle of sixty years, all possible climatic constellations of the year may sequentially occur in a specific way, which can be characterized by the stembranch combination closely related with the five periods and six qi. In other words, the doctrine of the five periods and six qi explains relationships ancient Chinese observers assumed to exist between climate and a broad range of natural phenomena, including human health and illness. And the concepts of the five periods and of the six qi were introduced to distinguish among and specify climatic characteristics of welldefined time periods. By drawing on notions of a cyclical recurrence of calendric terms and by adopting the doctrines of yin yang and of the five elements, an attempt was made to order what may at first glance appear to be disorder, namely, the occurrence of rain and wind, dryness, cold, and heat in the course of the four seasons and over the years. Knowledge of a distinct regularity uncovered in frequent climatic changes not only permitted an understanding of the generation, growth, maturity, and death of numerous phenomena in nature in general but also, more importantly, enabled man to integrate himself into eternal laws governing all existence. The doctrine of the five periods and six qi is outlined in the Su wen in seven “comprehensive discourses,” which comprises about onethird of the entire text of the Su wen. But the origin of the notions is unclear and no parallel literary sources outside the Su wen are known that could be used to date the early development of these thoughts [1]. All the same, there are also some important clues in other fields of ancient Chinese culture which can be used as a reference for researchers of the five periods and six qi in TCM. Therein, theory of the five elements of containing notes originated at least before Qin Dynasty is the most notable one, where each combination of a stem and a branch is also vital for description of yin yang and five elemental characteristics and each attributed to a corresponding element named as the socalled five elements of containing notes [2, 3]. The na yin wu xing, that is, the element representing the stembranch of one’s birthyear, is often used to judge one’s fate by folk fate calculators up to nowadays and in the Book of the Master Who Embraces Simplicity by Ge Hong (who is a famous Taoist priest in Jin Dynasty) it is recorded that the fate corresponding to the five elements of containing notes decided by the stembranch combination corresponding to one’s birth year can be used as a guidance of color selecting of the medicine to be taken; Ge Hong says in volume number 11 of his inner book of the Master Who Embraces Simplicity: “…According to the book of Yu ce ji and the book of Kai ming jing,…, if one’s fate is soil, he is not fit to take medicine with cyan color; medicines with red color are not fit for persons of metal fate; white color is not fit for wood fate; yellow color is not fit for water fate and black color is not fit for fire fate. That is exactly because, according to meaning of the five elements, the wood restricts the soil, the soil restricts the water, the water restricts the fire, the fire restricts the metal and the metal restrict the wood…”. Although some of Ge Hong’s ideas are contentious with a mysterious tendency of a common Taoist, it is true that his Handbook of Prescriptions for Emergencies inspired the modern discovery of artemisinin [4]. No matter in theory of the TCM five periods and six qi or in theory of the five elements of containing notes, the same 60 cyclical stembranch combinations by years are paid much attention and related judgments or doctrines are formed based on the stem and branch related theory of yin yang and five elements. Considering the five periods and six qi’s theory of TCM almost shares a common basis of stembranch system [1, 2], studying the principle or mathematical structure behind the five elements of containing notes can surely bring a novel view for the five periods and six qi’s related researches in TCM.
The Fibonacci sequence, that is, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233,…, is a famous series universally used in various modern disciplines such as computer science, optimizing theory, biological mathematics and physics, number theory and combinatorics, and material science [5–9]. Even there is a special formal periodical (namely, The Fibonacci Quarterly) dedicated to Fibonacci sequence related topics and researches [10]. In particular, having close relationship with the Golden Section Number, it is an interesting mathematical sequence that widely exists in the biological world. For example, there is a peculiar pattern in the flower petals of nearly all the flowers; the number of their petals is one number of the Fibonacci sequence. Small flowers of a sunflower, the heart of chrysanthemum, squama on surface of pinecones, and tumorslike structure of pineapple all have shown similar two nearperfect spirals in two opposite spiral directions, respectively. And the ratio of two spiral numbers has close relationship with the Fibonacci sequence. In the pinecones the ratio is 5 : 8, the pineapple is 8 : 13, Marguerite daisy is 21 : 34, and the sunflower is 34 : 55,…; the series of number couples are all from two adjacent numbers of the Fibonacci series exactly. Any face plate of the Asteraceae family has the same characteristics with the sunflower. In animal cells, hollow cores of microtubules constituted by protein polymer, which form the cell cytoskeleton, help to maintain a certain shape and act as “nervous system” of cells. Typical mammalian cell microtubule is constituted by 13 original fibers, of which 5 are dextrorotation fibers and 8 are laevorotation ones (herein, 5, 8, and 13 are all adjacent Fibonacci numbers). Moreover, people have occasionally found a doublemicrotubule with an outer layer, and it is constituted by 21 original fibers, which happens to be the next number in Fibonacci series. Moreover, it is well known that molecules of the BDNA expose a doublehelix geometric structure, and the helix length of the doublehelix DNA structure is 34 angstroms and its radius is 21 angstroms. 34 and 21 happen to be the two adjacent numbers in the Fibonacci sequence [6].
Moreover, the Fibonacci sequence is also found to have close relationship with traditional Chinese culture. Elizabeth Moran and her coauthors have discovered that four of feng shui’s (feng shui is another mysterious system in traditional Chinese culture system with almost the same theory basis as TCM) fundamental principles correspond to numbers in the Fibonacci sequence: Taiji (1), yin and yang (2), heaven, earth, and human qi (3), five phases (5), and eight trigrams (8) [11]. And according to some other researchers, the Fibonacci numbers also have close relationship with the most famous two key diagrams of He tu and Luo shu in ancient Chinese culture [12, 13].
In this paper, according to some typical mathematical rules included in He tu, Luo shu in TCM, novel associations are discovered between the five elements of containing notes and the Fibonacci modular sequence, which can set up a mathematical bridge between the five elements of containing notes widely existent in Chinese traditional culture and abundant modern Fibonacci series related researches. The novel discovery is of great value to reduce the mysterious sense of ancient Chinese culture and is quite helpful to uncover the final scientific secret of the five periods and the six qi’s theory in TCM.
2. Materials and Methods
2.1. Obtaining of Two Key Subsequences of Fibonacci Sequence Modulo 5
The He tu and Luo shu are two of the most famous diagrams in Chinese traditional culture as well as in TCM system. As shown in Figure 1 [1, 11], according to legend, both He tu and Luo shu initially emerged as groups of black and white dots, where each group of black dots has even dot number and the other groups composed of white dots have odd number of dots, respectively. In particular, either He tu or Luo shu has shown the same proneness to emphasize group number of 5 and the group of dots with number 5 is exactly positioned in the center of He tu and Luo shu which are arranged as the shape of a cross. Further according to the Hong fan section in Shang shu, number one is water; number two is fire; number three is wood; number four is metal; number five is soil [1]. The number of different groups of dots in He tu or Luo shu can thus form a direct association with the five elements’ theory in TCM or the five elements of containing notes.
(a) The He tu diagram
(b) The Luo shu diagram
The Fibonacci sequence has a recycled property while performing modular operation by an integer . While setting the value of be 5, that is, the center number of He tu or Luo shu, the period is equal to 20 and the corresponding recycled sequence can be listed as below [14]: 1 1 2 3 0 3 3 1 4 0 4 4 3 2 0 2 2 4 1 0
Suppose each index value of numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 in He tu or Luo shu is equal to each number itself; then no matter He tu and Luo shu or 10 stems and 12 branches in TCM can all be partitioned into two groups of Yin and Yang based on the parity of index values. In other words, for 10 stems and 12 branches, those with odd index numbers are attributed to the Yang group and the others with even numbers are grouped as Yin, which just corresponds to the white or black dots group in He tu and Luo shu, respectively. Similarly, according to parities of the index of each number the obtained 20 Fibonacci recycled sequence numbers by modulo 5 above can also be divided into two groups: subsequence Yang and subsequence Yin. The grouping result is listed as below: subsequence Yang: 1 2 0 3 4 4 3 0 2 1, subsequence Yin: (1 3) 3 1 0 4 2 2 4 0 1 3,
for analyzing convenience; all the numbers in the two subsequences are rearranged into two 5tuples and all numbers in subsequence Yin are circularly rightshifted by 2 positions. Apparently the obtained subsequences of Yang and Yin are just composed of series of 1 2 0 3 4 and 3 1 0 4 2 together with their corresponding palindrome, that is, two subsequences both taking 1 2 0 3 4 and 3 1 0 4 2 as the key sequence, respectively. In mathematics, the number 0 is just equal to 5 in the viewpoint of operation modulo 5; therefore, the key number series of 1 2 0 3 4 and 3 1 0 4 2 can also be seen as 1 2 5 3 4 and 3 1 5 4 2.
2.2. New Discovery on Arrangement of the Five Elements of Containing Notes
Based on traditional Chinese culture, each of the containing notes associates a unique symbol as well as an attribute and Hong fan number of five elements with a stembranch combination and two neighbored stembranch combination pairs share the same symbol and attribute [2, 3]. The naming of the associated symbols, deriving, and relationship between such association and ancient Chinese music theory are beyond the scope of this paper; those who are interested in it can refer to related literatures directly. All stembranch combinations and each corresponding symbol as well as the associated attribute and Hong fan number of corresponding five elements are all summarized as in Table 1 based on description in [2, 3].

Actually all the stembranch combinations are just the permutation and combination between Yang group of stems and branches and Yin group of them. And the thorough building process of associations shown in Table 1 is still a mystery. While studying the rules behind the stembranch combinations, the author found a new arrangement of the stembranch combinations based on a simple and determinate transforming operation from the original arranging order in traditional Chinese culture which is demonstrated in Table 1 by the “number” column. The discovery of this new arrangement can help to provide research clues of mathematical structure of the five elements of containing notes. That is, take the JiaXu YiHai pair (11th and 12th stembranch combinations in Table 1) as the initial pair and take equation ( + 22) mod 60 (herein “mod” represents modular operation) as a recursive rule to obtain the successive one of all recycled pairs; for example, if substituted with and 12, the index of the second recycled pair can be obtained; we have (11 + 22) mod 60 = 33 (12 + 22) mod 60 = 34;
then look up the indexes 33 and 34 in Table 1; the second pair BingShen DingYou can be searched out. Similarly, the index of the third pair can be computed as (33 + 22) mod 60 = 55, (34 + 22) mod 60 = 56,…, and finally, the whole periodical new arrangement can all be obtained. And the 5 by 6 array form of the new arrangement is shown in Table 2.

For comparison convenience, substitute each stembranch pair in the new arrangement shown in Table 2 by its corresponding Hong fan number according to Table 1; it produces a 5 by 6 number array:
2  2  2  4  4  4 
5  5  5  1  1  1 
3  3  3  2  2  2 
4  4  4  5  5  5 
1  1  1  3  3  3 
Above discovery is not only a special case. Stembranch combinations and their corresponding Hong fan number given in Table 1 can also derive two other arrangements as listed in Tables 3 and 4 based on the 12 branches or base number 8 after extending one duplicate of whole 60 elements.


Obviously, in each column of Table 3 the Hong fan numbers are the recycleshifting sequence of 12534 by a certain number. And in each column of Table 4, by recycling view, the Hong fan numbers all show a similar appositional pattern of three same recycleshifting sequences of 31542.
3. Results, Discussions, and Conclusions
In this paper, enlightened by elementary Yin or Yang number grouping principle of He tu, Luo shu, and stembranch theory, the 12534 and 31542 key number series of Fibonacci sequence modulo 5 (the center number of He tu or Luo shu) are obtained. And by simple and determinate transforming operation of original order of the stembranch combinations widely existent in traditional Chinese culture, a new 5 by 6 arrangement about the five elements of containing notes is firstly introduced, which has shown close relationship with the two obtained key subsequences of Fibonacci sequence modulo 5. As the new derived arrangement is directly acquired from the original indices of stembranch combinations by fixed mathematical operation, the rule implied in the new arrangement also reflects that of the original arrangement of stems and branches in traditional Chinese culture. Another two derived arrangements about the five elements of containing notes also show close relationship with sequence 12534 or 31542 respectively; therefore it can be deduced that the five elements of containing notes must have underlying profound mathematical relationship with the Fibonacci modular sequence. Actually, besides applications in fate judgments or in ancient Taoist system, the five elements of containing notes associated with 60 stembranch combinations have also close relationship with traditional Chinese musical system [3]. And for ancient Chinese people, it is very common and natural to describe the musical and calendric laws in the same form based on stems and branches. In their opinions, the climate throughout a whole year is closely related with certain musical notes denoted by a stembranch combination corresponding to the year as the five periods and six qi in TCM do. Moreover, the Fibonacci sequence widely exists in various modern disciplines especially in the biological world, and as a special traditional medicine system, herbs from the biological world are widely used in TCM. Therefore, although researches in this paper are mainly performed based on arrangements of the five elements of containing notes, considering it almost shares a common basis of stembranch system with the theory of the five periods and six qi in TCM, the mathematical relationship of five elements of containing notes and Fibonacci sequence modulo 5 found in this paper is undoubtedly quite helpful to recover the scientific secret of the five periods and six qi’s theory in TCM as well as that of whole traditional Chinese culture system, but more data is still needed to elucidate the TCM related theory in future researches.
Conflict of Interests
The author declares that there is no conflict of interests regarding the publication of this paper.
Authors’ Contributions
Zhaoxue Chen carried out all the studies of this paper and drafted the paper, as well as reading and approving the final paper.
Acknowledgments
This work is under the auspice of Shanghai Municipal Education Commission to Scientific Innovation Research Funds (no. 11YZ116) and BME firstclass discipline (B) building project for Shanghai universities.
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Copyright
Copyright © 2015 Zhaoxue Chen. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.