[76] Study on High-dimensional Extension of Pick’s Theorem

[77] Estimate of the electric potential outside a bounded charged conductor

[78] The Rationality of the Vertices of a Regular Simplex or Semiregular Simplex in R^n or L^p-space over R^2

[79] Investigation on a class of infinite number sequences which satisfy benford's law

[80] A Study on Prediction Algorithms for Yu’EBao Capital Flow