lacunary series मीनिंग इन हिंदी

As evidenced by his publications ( see next ), he focused on complex analysis and harmonic analysis, with an emphasis on Dirichlet series, lacunary series, and entire functions.
There is a slight ambiguity in the modern usage of the term "'lacunary series "', which may be used to refer to either Taylor series or Fourier series.
From this perspective, then, mathematicians who investigate lacunary series are asking the question : How much does the geometric series have to be distorted & ndash; by chopping big sections out, and by introducing coefficients " a " " k " & ne; 1 & ndash; before the resulting mathematical object is transformed from a nice smooth meromorphic function into something that exhibits a primitive form of chaotic behavior?