English
Related papers

Related papers: An identity for derivatives

200 papers

We prove a closed formula for the derivative, of any order, of a implicit function, in terms of some binomial building blocks, and explain the combinatorics behind the coefficients appearing in the formula.

Combinatorics · Mathematics 2020-08-13 Shaul Zemel

Higher order derivatives of functions are structured high dimensional objects which lend themselves to many alternative representations, with the most popular being multi-index, matrix and tensor representations. The choice between them…

Classical Analysis and ODEs · Mathematics 2021-12-01 José E. Chacón , Tarn Duong

We prove an interesting identity for the sum of determinants, which is a generalization of the sum of a geometric progression. The proof is quite long and a number of other identities are proved along the way. Some of the more elementary…

Combinatorics · Mathematics 2024-08-28 T. C. Dorlas

The aim of this paper is to prove characterization theorems for higher order derivations. Among others we prove that the system defining higher order derivations is stable. Further characterization theorems in the spirit of N.~G.~de Bruijn…

Classical Analysis and ODEs · Mathematics 2016-12-06 Eszter Gselmann

An technically interesting proof of a known theorem.

Analysis of PDEs · Mathematics 2007-05-23 Andreas Wannebo

We prove a uniqueness theorem for an entire function, which shares certain values with its higher order derivatives.

Complex Variables · Mathematics 2014-05-02 Indrajit Lahiri , Rajib Mukherjee

We propose an equivalent formula for the higher-order derivatives used in the study of Generalized Almost Perfect Nonlinear functions over an arbitrary finite field of characteristic $p$. The result is obtained by counting the number of…

Number Theory · Mathematics 2025-07-11 Valentin Suder

We prove a new universal identity for umbral operators. This motivates the definition of a subclass satisfying a simplified identity, which we fully characterize. The results are illustrated with common examples of the theory of umbral…

Combinatorics · Mathematics 2026-05-21 Kei Beauduin

This paper presents an algebraic approach to characterizing higher-order differential operators. While the foundational Leibniz rule addresses first-order derivatives, its extension to higher orders typically involves identities relating…

Classical Analysis and ODEs · Mathematics 2025-04-15 Włodzimierz Fechner , Eszter Gselmann

A simple heuristic proof of an integral identity recently derived (Glasser ML 2011 J. Phys. A: Math. Theor. 44 225202) is presented.

Mathematical Physics · Physics 2011-09-30 Andrés Santos

We prove some new results related to Tanaka's formula.

Probability · Mathematics 2017-09-19 Gianluca Cassese

We establish a simple identity and using it we find a new proof of a result of Kloosterman.

Number Theory · Mathematics 2010-07-16 D. I. Tolev

A family of general integral identities is derived and several applications of physical interest are presented

Mathematical Physics · Physics 2011-02-01 M L Glasser

We derive an identity that relates a class of multiple integrals involving Vandermonde polynomials to divided differences. Alternatively the identity can be viewed as an integral formula for divided differences. As part of the derivation we…

Numerical Analysis · Mathematics 2026-03-20 Michael S. Floater

Motivated by previous work leveraging factorizations of second- and fourth-order differential operators, a general integral inequality involving higher order derivatives is proven by elementary means. It is then shown how this framework…

Classical Analysis and ODEs · Mathematics 2025-09-19 Bart Rosenzweig , Jonathan Stanfill

Based on the Liouville-Weyl definition of the fractional derivative, a new direct fractional generalization of higher order derivatives is presented. It is shown, that the Riesz and Feller derivatives are special cases of this approach.

General Mathematics · Mathematics 2009-06-12 Richard Herrmann

In this paper, a new identity for convex functions is derived. A consequence of the identity is that we can derive new estimates for the remainder term of the midpoint, trapezoid, and Simpson formulae for functions whose derivatives in…

Classical Analysis and ODEs · Mathematics 2012-07-31 Imdat Iscan

We present theory for general partial derivatives of matrix functions on the form $f(A(x))$ where $A(x)$ is a matrix path of several variables ($x=(x_1,\dots,x_j)$). Building on results by Mathias [SIAM J. Matrix Anal. Appl., 17 (1996), pp.…

Numerical Analysis · Mathematics 2023-06-29 Emanuel H. Rubensson

In this paper, we give a short proof of a relation generalizing many identities for Bernoulli numbers.

Combinatorics · Mathematics 2015-06-29 Abdelmoumène Zekiri , Farid Bencherif

Leibniz's rule for the $n$-th derivative of a product is a very well known and extremely useful formula. In this article, we introduce an analogous explicit formula for the $n$-th derivative of a quotient of two functions. Later, we use…

Classical Analysis and ODEs · Mathematics 2023-04-18 Roudy El Haddad
‹ Prev 1 2 3 10 Next ›