Abstract. The paper is devoted to the mathematical aspects of the nationwide local elections held in Bulgaria on October 29 and November 5, 2023. In particular Pearson correlation between voting for municipal mayors and municipal councilors in large municipalities is analyzed. Mobilization
coefficients of candidates are introduced and studied for both local and presidential elections. Eligibility margins of independent candidates, reversals in runoffs and paradoxes in local elections are also studied. Most of these issues are considered for the first time. Thus the aphorism “Elections are cross point of law and mathematics” is illustrated.
Received: 30 Nov. 2023
AMS Subject Classification: 62P20
Key Words and Phrases: local elections, correlation of voting, mobilization coefficient, reversal in runoff, eligibility margin, voting paradoxes
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