Physics of human cooperation: experimental evidence and theoretical models
نویسندگان
چکیده
منابع مشابه
Institute of Theoretical and Experimental Physics,
Below we describe effects produced by the recently introduced object, short string. Short strings [1] are responsible for non-standard power corrections in QCD, which are important in the ultraviolet region. On the other hand short strings exist due to confinement and in this sense they are induced by large distance physics. Short strings are not point-like objects and violate such fundamental ...
متن کاملInstitute of Theoretical and Experimental Physics
A b s t r a c t Starting from the QCD Lagrangian we derive the effective action for massive quark and antiquark at large distances, corresponding to the minimal area low of the Wilson loop. The path integral method is used to quantize the system and the spectrum is obtained with asymptotically linear Regge trajec-tories. Two dynamical regimes distinguished by the string energy–momentum distribu...
متن کاملInstitute of Theoretical and Experimental Physics
A b s t r a c t Chiral symmetry breaking due to instanton-produced fermion zero modes in the confining vacuum is considered. Zero modes provide 'tHooft-type determinant quark interaction, which is bosonized by introduction of auxiliary fields. For three flavours this procedure becomes nontrivial and a method is suggested which allows to derive effective Lagrangian for massless Nambu– Goldstone ...
متن کاملStatistical physics of human cooperation
Matjaž Perc, 2, ∗ Jillian J. Jordan, David G. Rand, 4, 5 Zhen Wang, Stefano Boccaletti, 8 and Attila Szolnoki Faculty of Natural Sciences and Mathematics, University of Maribor, Koroška cesta 160, SI-2000 Maribor, Slovenia CAMTP – Center for Applied Mathematics and Theoretical Physics, University of Maribor, Mladinska 3, SI-2000 Maribor, Slovenia Department of Psychology, Yale University, New H...
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پس از بررسی هر کدام از فاکتورهای نوع صنعت, نوع ضمانت نامه, نرخ بهره , نرخ تورم, ریسک اعتباری کشورها, کارمزد, ریکاوری, gdp, پوشش و وثیقه بر ریسک اعتباری صندوق ضمانت صادرات ایران مشخص گردید که همه فاکتورها به استثنای ریسک اعتباری کشورها و کارمزد بقیه فاکتورها رابطه معناداری با ریسک اعتباری دارند در ضمن نرخ بهره , نرخ تورم, ریکاوری, و نوع صنعت و ریسک کشورها اثر عکس روی ریسک اعتباری داردو پوشش, وثی...
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ژورنال
عنوان ژورنال: Journal of Statistical Mechanics: Theory and Experiment
سال: 2018
ISSN: 1742-5468
DOI: 10.1088/1742-5468/aaa388