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1. chinaXiv:202101.00003 [pdf]

On dark matter

Xian-Qiao Yu
Subjects: Physics >> The Physics of Elementary Particles and Fields

In this article, I shall propose an enlightening view on the origin of dark matter abundance, in which I introduce a neutral primordial field, which is a new field beyond the standard model. All the standard model elementary particles are produced spontaneously from this field in the Big Bang epoch of the universe and then these produced elementary particles decayed or annihilated in the well-known standard model interactions. The relic of the primordial field appears in a form of vacuum energy can not only give naturally the correct abun- dance of dark matter in the present universe, but provide a natural solution to the cosmological constant problem as well. We find that the conventional methods of detecting dark matter either fail or have great difficulties to detect the remaining vacuum energy of the primordial field, and how to confirm the existence of the remaining energy of the universe’s original energy in experiment is still an open problem.

submitted time 2021-10-08 Hits11378Downloads1003 Comment 0

2. chinaXiv:202011.00114 [pdf]


张巍; 郭本禹; 张磊
Subjects: Psychology >> History of Psychology


submitted time 2021-10-07 Hits5638Downloads1067 Comment 0

3. chinaXiv:202105.00070 [pdf]


Subjects: Statistics >> Mathematical Statistics
Subjects: Computer Science >> Computer Application Technology
Subjects: Information Science and Systems Science >> Basic Disciplines of Information Science and Systems Science


submitted time 2021-10-05 Hits10172Downloads1392 Comment 0

4. chinaXiv:202107.00009 [pdf]


刘耀辉; 徐慧颖; 陈琦鹏; 詹沛达
Subjects: Psychology >> Psychological Measurement


submitted time 2021-10-04 Hits4003Downloads362 Comment 0

5. chinaXiv:202104.00128 [pdf]

On the Dynamic Effect of Infinite Redshift Surface: Lorentz Factor Analysis Method

Jiayu NI; Yuan Tu
Subjects: Physics >> Geophysics, Astronomy, and Astrophysics

The generation of infinite redshift surface is due to the singularity of the Lorentz transformation, according to this fact, analyzing the singularity of the parameters in the Lorentz transform factor, which is named the Lorentz factor analysis method in this paper, can be used to research the dynamic effect of the infinite redshift surface. In this paper, the method is applied to the Reissner-Nordstrom and Kerr-Newman black hole spacetime, which finds that the infinite redshift surface will expand and contract with the observer's radial motion, and the corresponding equations are given clearly. A new proof of the inaccessibility of the time-like singularity in a charged black hole is given, and the inaccessibility of the time-like singularity is proved only related to the electrical nature, it has nothing to do with rotation. The study result of space-like quasi-circular motion observer shows that the infinite redshift surface is consistent with that of the static observer at infinity in this case. The minimum blueshift radius which is proposed in the study of the observer who escapes at the speed of light in normal spacetime, it makes a stronger constraint on black hole parameters than traditional condition. This is a possible reason why it is difficult to form an intermediate-mass black hole, discussion about it can be found at the end of the paper.

submitted time 2021-10-04 Hits8344Downloads573 Comment 0

6. chinaXiv:202109.00056 [pdf]


杜思源; 戴亦馨; 李佩威; 赵宁; 李纾; 郑昱
Subjects: Psychology >> Applied Psychology

[目的] 测量民众接种新冠病毒疫苗的真实意愿与常规态度调查方法所测出来的接种意愿的差异。 [方法] 我们于2021年1月22日至27日调查了全国30个省/市/自治区(除西藏自治区)共3123人对接种新冠病毒疫苗(以下简称疫苗)的意愿。 [结果] 在我国接种疫苗的早期,民众对接种疫苗的意愿并不如预期般乐观,被调查人群中选择“现在不接种”和“观望后再决定”的人数超过了半数。 [结论] 研究者应慎重选择调查民众疫苗接种真实意愿的调查方法,建议相关部门要对民众的“接种迟疑”有充分的预判和准备。

submitted time 2021-09-24 Hits1849Downloads188 Comment 1

7. chinaXiv:202107.00032 [pdf]

The Relationships among Structural Social Support, Functional Social Support, and Loneliness in Older Adults: Analysis of Regional Differences based on a Multigroup Structural Equation Model

Haifeng Li; Cong Wang
Subjects: Psychology >> Social Psychology

Objective: This study investigated the relationship between structural social support and loneliness and explored whether functional social support had an intermediate role therein. It also employed a multigroup structural equation model to compare mediation models among older adults living in cities, towns, and rural areas. Methods: Using a self-made demographics questionnaire, the structural-functional social support scale, and the 3-item UCLA loneliness scale, this study collected information from 1,325 older adults identified via convenience sampling. Results: The results showed that: (1) compared with older adults living in towns, older urban and rural adults had higher structural social support and experienced less loneliness, while older adults’ functional social support showed no difference among the three regions (2) An analysis of the models of regional differences indicated that functional social support served as a full mediator in the relationship between structural social support and loneliness in urban older adults, and a partial mediator for older adults living in towns and rural areas. Conclusion: The relationship between structural social support and loneliness is mediated by functional social support, and this mediation model varies between older adults in cities and towns/rural areas. This study helps us understand possible mechanisms through which structural social support impacts loneliness. It suggests that nursing strategies for older adults should be adjusted according to region and direct greater focus on the function (or quality) of the social support network and on older adults living in towns.

submitted time 2021-09-09 Hits3919Downloads436 Comment 0

8. chinaXiv:202107.00026 [pdf]


高闯; 马安然; 魏薇; 德力达尔
Subjects: Psychology >> Cognitive Psychology
Subjects: Psychology >> Experimental Psychology
Subjects: Psychology >> Other Disciplines of Psychology

“实验实证纲领”与 “理论纲领” 属于科学关键纲领。心理学仍处于“实验实证纲领”主导的实验阶段,追求公理、自洽完备的数理架构是内驱目标,也是 APA 的统一性心理学(Unifying Psychology) 核心诉求。“数理心理学”提出关键数理公设,演绎心理学基础问题,并与经典发现惊奇一致:知觉功能结构、语义编码、学习实验的控制结构、知识的结构体系、信息通道完备性。“事件结构式”由于能够串联起物质信息结构表达、信息认知加工机理的底层逻辑,而成为首要公设。这开辟了利用公理公设演绎心理机制的新途径。基于这一原创性,本文将综述事件结构式的数理成果,并拓展其延伸性推论。

submitted time 2021-08-12 Hits4988Downloads369 Comment 0

9. chinaXiv:202108.00004 [pdf]


章丽娜; 宣宾
Subjects: Psychology >> Cognitive Psychology


submitted time 2021-08-04 Hits1704Downloads155 Comment 0

10. chinaXiv:202107.00011 [pdf]

Properties of several fuzzy set spaces

Huan Huang
Subjects: Mathematics >> Mathematics (General)

This paper discusses the properties the spaces of fuzzy sets in a metric s- pace equipped with the endograph metric and the sendograph metric, re- spectively. We fist discuss the level characterizations of the Γ-convergence and the endograph metric, and point out the elementary relationships among Γ-convergence, endograph metric and the sendograph metric. On the basis of these results, we present the characterizations of total boundedness, rel- ative compactness and compactness in the space of compact positive α-cuts fuzzy sets equipped with the endograph metric, and in the space of com- pact support fuzzy sets equipped with the sendograph metric, respectively. Furthermore, we give completions of these two kinds of spaces, respectively.

submitted time 2021-08-01 Hits4422Downloads314 Comment 0

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