Research interest

• number theory [A5], [A29], [B27], [B38], [B40], [B46], [B60], [B73], [B118], [C17], [C23], [C32]
• graph theory [A24], [C25], [C30], [K23]
• group theory [A18], [C27], [K111]
• linear algebra [B20], [B30], [C35]
• functional analysis [B2], [B19], [C6]
• mathematical analysis [B15], [B17], [B25], [B28], [B55], [B113]
• numerical analysis [A3], [B62], ...
• discrete geometry [B44], [B54], [B77]
• discrete mathematics [A24], [B53], [B65]
• shape optimization [C14], [C15]
• mathematical modelling [A3], [B138], [D22], [D43], [F2], [F3], [G11], [K5]
• nonlinear programming [C20], [C22]
• Maxwell's equations [A3], [C3], [C11], [F2], [F3]
• Fourier series [A7], [A24]
• heat conduction [A3], [B28], [B29], [B36], [B43], [B62], [B113], [D13], [D43]
• elasticity [A1], [B16], [B127], [B138], [C1]
• mathematical physics [A1], [A3], [B1], [B16], ...
• theoretical biology [B80], [K46], [K56], [K120], [K130]
• entomology [B93], [K129]
• astronomy [B23], [B32], [B41], [B61], [B78], [B86], [B98], [B114], [B137], [D26], [D27], [D32], [D34], [D35], [D36], [D37], [D38], [E17], [E18], [E21]
• special theory of relativity [B114], [B132], [B137], [B139], [E23], [K168], [K173]
• general theory of relativity [B105], [B107], [B110], [B111], [B121], [B123], [B126], [B143]
• cosmology [A17], [A20], [A22], [B91], [B92], [B95], [B100], [B102], [B108], [B122], [B124], [B128], [B135]
• cosmomathematics [A31], [B144], [C32], [D27], [E30], [K106], [K190]
• history of science [A13], [B74], [B98]
• computational mathematics [B35], [B103], [C18], [G10], [K15]
• fluid dynamics [B1], [B4], [B9], [C3], [D14]
• the finite element method for solving nonlinear partial differential equations [A1], [A3], [B15], [B19], [B79]
• grid generation [A27], [B26], [B37], [B51], [B56], [B63], [B116], [B125], [C1]
• error estimates [B75], [B79], [C29]
• numerical integration [A1], [B85], [B119]
• superconvergence [A4], [B3], [B5], [B7], [B8], [B42], [B47], [B49], [B67]
• variational crimes [A27], [B14], [B33], [D13]