Công bố khoa học

• Công bố khoa học

  1.  Đinh Sĩ Tiệp, Feng Guo, Nguyễn Hồng Đức, Phạm Tiến Sơn, Limits of real bivariate rational functions Journal of Symbolic Computation Volume 129, 2025, 102405 (SCI-E, Scopus) .

  2.  Đinh Sĩ Tiệp, Guo Feng, Nguyễn Hồng Đức, Phạm Tiến Sơn, Computation of the Łojasiewicz exponents of real bivariate analytic functions Manuscripta Mathematica . Volume 176, 1 (2025) (SCI-E, Scopus) .

  3.  Đinh Sĩ Tiệp, Phạm Tiến Sơn, Lipschitz continuity of tangent directions at infinity Bulletin des Sciences Mathématiques, 182 (2023), 103223 (SCI-E, Scopus) .

  4.  Đinh Sĩ Tiệp, Phạm Tiến Sơn, Definable continuous mappings and Whyburn's conjecture Proceedings of the American Mathematical Society 151 (2023), no. 5, 2081--2095, (SCI-E, Scopus) .

  5.  Đinh Sĩ Tiệp, Phạm Tiến Sơn, Characterizations of directional openness for set-valued mappings Pure Appl. Funct. Anal., 8 (2023), no. 4, 1023-1037.

  6.  Đinh Sĩ Tiệp, Zbigniew Jelonek, Phạm Tiến Sơn, Stability of closedness of semi-algebraic sets under continuous semi-algebraic mappings Proceedings of the American Mathematical Society, 150 (2022), 3663-3673 (SCI-E, Scopus) .

  7.  Đinh Sĩ Tiệp, Zbigniew Jelonek, Thom Isotopy Theorem for Nonproper Maps and Computation of Sets of Stratified Generalized Critical Values, Discrete & Computational Geometry volume 65, pages 279–304 (2021), (SCI-E, Scopus) .

  8.  Đinh Sĩ Tiệp, Guo Feng, Phạm Tiến Sơn, Global Łojasiewicz inequalities on comparing the rate of growth of polynomial functions Journal of Mathematical Analysis and Applications, 499 (2021), 125057, (SCI-E, Scopus) .

  9.  Đinh Sĩ Tiệp, Phạm Tiến Sơn, Stability of Closedness of Closed Convex Sets under Linear Mappings Journal of Convex Analysis, 28 (2021), 1281-1291 (SCI-E, Scopus) .

• Tiền ấn phẩm

  1.  Limits of real bivariate rational functions,  IMH20220202.

  2.  Thom isotopy theorem for non-proper maps and computation of sets of stratified generalized critical values,  IMH20211102.

  3.  On definable open continuous mappings,  IMH20210904.

  4.  Characterizations of directional openness for set-valued mappings,  IMH20210903.

  5.  Some variational properties of tangent directions at infinity of real algebraic sets, preprint arXiv,  IMH20210503.

  6.  Some variational properties of tangent directions at infinity of real algebraic sets, preprint arXiv,  IMH20210503.

  7.  Nichtnegativstellensatze for definable functions in o-minimal structures, preprint arXiv,  IMH20210502.

  8.  The mountain pass theorem in terms of tangencies, preprint arxiv,  IMH20210501.

  9.  Stability of closedness of semi-algebraic sets under continuous semi-algebraic mappings,  IMH20201002.

  10.  Stability of Closedness of Closed Convex Sets under Linear Mappings,  IMH20200102.

  11.  Global Lojasiewicz Inequalities on Comparing the Rate of Growth of Polynomial Functions,  IMH20200101.

  12.  Đinh Sĩ Tiệp,  Limits of tangent spaces to definable sets,  IMH20201001.

  13.  Đinh Sĩ Tiệp,  Łojasiewicz inequalities with explicit exponent for smallest singular value functions, preprint arXiv:1604.02805,  IMH20160405.

  14.  Đinh Sĩ Tiệp,  Krzysztof Kurdyka, 

  Horizontal Gradient of Polynomial Functions for the Standard Engel Structure on ${\mathbb{R}}^4$, Journal of Dynamical and Control Systems

  ,  IMH20160101.

Hoạt động khoa học

Xêmina: Definable Schoenflies theorem,  Definable Schoenflies theorem (Part II).