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On groups G(n)(k) and Gamma(k)(n) A study of manifolds, dynamics, and invariants

期刊: BULLETIN OF MATHEMATICAL SCIENCES, 2021; 11 (02)

Recently, the first named author defined a 2-parametric family of groups Gnk [V. O. Manturov, Non-reidemeister knot theory and its applications in dyn......

The Neumann problem of Hessian quotient equations

期刊: BULLETIN OF MATHEMATICAL SCIENCES, 2021; 11 (01)

In this paper, we obtain some important inequalities of Hessian quotient operators, and global C2 estimates of the Neumann problem of Hessian quotient......

Monotonicity results for the fractional p-Laplacian in unbounded domains

期刊: BULLETIN OF MATHEMATICAL SCIENCES, 2021; 11 (02)

In this paper, we develop a direct method of moving planes in unbounded domains for the fractional p-Laplacians, and illustrate how this new method to......

W-1,W-p versus C-1: The nonsmooth case involving critical growth

期刊: BULLETIN OF MATHEMATICAL SCIENCES, 2020; 10 (3)

In this paper, we study a class of generalized and not necessarily differentiable functionals of the form J(u) = integral(Omega) G(x, del u)dx - integ......

Convergence rates of theta-method for NSDDEs under non-globally Lipschitz continuous coefficients

期刊: BULLETIN OF MATHEMATICAL SCIENCES, 2019; 9 (3)

This paper is concerned with strong convergence and almost sure convergence for neutral stochastic differential delay equations under non-globally Lip......

JIF:1.71

A nonlinear inverse problem of the Korteweg-de Vries equation

期刊: BULLETIN OF MATHEMATICAL SCIENCES, 2019; 9 (3)

In this paper, we prove the existence and uniqueness of solutions of an inverse problem of the simultaneous recovery of the evolution of two coefficie......

JIF:1.71

Maximum principles for nonlocal parabolic Waldenfels operators

期刊: BULLETIN OF MATHEMATICAL SCIENCES, 2019; 9 (3)

As a class of Levy type Markov generators, nonlocal Waldenfels operators appear naturally in the context of investigating stochastic dynamics under Le......

JIF:1.71

An improved regularity criterion for the Navier-Stokes equations in terms of one directional derivative of the velocity field

期刊: BULLETIN OF MATHEMATICAL SCIENCES, 2018; 8 (1)

In this paper, we establish a new multiplicative Sobolev inequality. As applications, we refine and extend the results in Kukavica and Ziane (J Math P......

JIF:1.71

Oblique boundary value problems for augmented Hessian equations I

期刊: BULLETIN OF MATHEMATICAL SCIENCES, 2018; 8 (2)

In this paper, we study global regularity for oblique boundary value problems of augmented Hessian equations for a class of general operators. By assu......

JIF:1.71

Classification and properties of the -submaximal subgroups in minimal nonsolvable groups

期刊: BULLETIN OF MATHEMATICAL SCIENCES, 2018; 8 (2)

Let be a set of primes. According to H. Wielandt, a subgroup H of a finite group X is called a -submaximal subgroup if there is a monomorphism into a ......

JIF:1.71

Construction of nearly hyperbolic distance on punctured spheres

期刊: BULLETIN OF MATHEMATICAL SCIENCES, 2018; 8 (2)

We define a distance function on the bordered punctured disk in the complex plane, which is comparable with the hyperbolic distance of the punctured u......

JIF:1.71

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