Endogenous regulation of selection pressure : a minimal game-theoretical model

Gašperov, Bruno (avtor), Šter, Branko (avtor)

Selection pressure, determining which individuals survive and reproduce, is traditionally regarded as an exogenous property of the environment. However, growing evidence from the Extended Evolutionary Synthesis (EES) suggests that the strength of selection can, to some extent, be modulated by the organisms themselves. In this paper, we propose a minimal game-theoretical model that formalizes the concept of endogenous selection pressure. In the model, individuals collectively determine the intensity of selection through their actions: each agent ‘‘votes’’ to either intensify or relax selection depending on its relative fitness rank. The aggregate outcome of these decisions defines the number of reproducers, k, which is inversely related to the overall strength of selection. We analytically derive all pure strategy Nash equilibria of the game and examine their properties. By internalizing selection as a population-level emergent variable, the framework provides a tractable formalization of key principles from the EES and offers a foundation for exploring evolutionary dynamics that arise under the presence of endogenous selection pressure.

• Jezik: Angleški jezik
• Ključne besede: selection pressure, game theory, extended evolutionary synthesis, self-adaptation
• Vrsta gradiva: Članek v reviji
• Tipologija: 1.01 - Izvirni znanstveni članek
• Organizacija: FRI - Fakulteta za računalništvo in informatiko
• Status publikacije: Objavljeno
• Različica publikacije: Objavljena publikacija
• Leto izida: 2026
• Št. strani: 7 str.
• Številčenje: Vol. 259, art. 105666
• PID: 20.500.12556/RUL-177410
• UDK: 004
• ISSN pri članku: 0303-2647
• DOI: 10.1016/j.biosystems.2025.105666
• COBISS.SI-ID: 262193923
• Datum objave v RUL: 23.12.2025

Gradivo je del revije

• Naslov: Biosystems
• Skrajšan naslov: Biosystems
• Založnik: Elsevier
• ISSN: 0303-2647
• COBISS.SI-ID: 25103360

Licence

• Licenca: CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
• Povezava: http://creativecommons.org/licenses/by/4.0/deed.sl
• Opis: To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.

Sekundarni jezik

• Jezik: Slovenski jezik
• Ključne besede: selekcijski pritisk, teorija iger, razširjena evolucijska sinteza, samoadaptacija

Projekti

• Financer: EC - European Commission
• Program financ.: HE
• Številka projekta: 101081355
• Naslov: Machine learning for Sciences and Humanities
• Akronim: SMASH

• Financer: ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
• Številka projekta: P2-0241
• Naslov: Sinergetika kompleksnih sistemov in procesov