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Author: Ri, Dukman

• Ri, Dukman; Rim, Kuksung: Boundedness and Hölder continuity for a class of double phase variable exponent variational problems. (English). Czechoslovak Mathematical Journal, vol. 76 (2026), issue 2, pp. 349-377
• Ri, Gumpyong; Ri, Dukman: Boundedness and Hölder continuity of weak solutions of the nonlinear boundary-value problem for elliptic equations with general nonstandard growth conditions. (English). Mathematica Bohemica, vol. 150 (2025), issue 2, pp. 161-185
• Kim, Sungchol; Ri, Dukman: $C^{1,\alpha }$ regularity for elliptic equations with the general nonstandard growth conditions. (English). Mathematica Bohemica, vol. 149 (2024), issue 3, pp. 365-396
• Kim, Sungchol; Ri, Dukman: Existence of weak solutions for elliptic Dirichlet problems with variable exponent. (English). Mathematica Bohemica, vol. 148 (2023), issue 3, pp. 283-302