Results 11 to 20 of about 480,606 (330)

Synergistic Structure in the Speed Dependent Modulation of Muscle Activity in Human Walking. [PDF]

open access: yesPLoS ONE, 2016
Recently, a modular organisation has been proposed to simplify control of the large number of muscles involved in human walking. Although previous research indicates that a single set of modular activation patterns can account for muscle activity at ...
Tom J W Buurke   +3 more
doaj   +1 more source

On the modularity of certain functions from the Gromov–Witten theory of elliptic orbifolds [PDF]

open access: yesRoyal Society Open Science, 2015
In this paper, we study modularity of several functions which naturally arose in a recent paper of Lau and Zhou on open Gromov–Witten potentials of elliptic orbifolds.
Kathrin Bringmann   +2 more
doaj   +1 more source

On some extensions of Gauss’ work and applications

open access: yesOpen Mathematics, 2020
Let K be an imaginary quadratic field of discriminant dK{d}_{K} with ring of integers OK{{\mathcal{O}}}_{K}, and let τK{\tau }_{K} be an element of the complex upper half plane so that OK=[τK,1]{{\mathcal{O}}}_{K}={[}{\tau }_{K},1].
Jung Ho Yun, Koo Ja Kyung, Shin Dong Hwa
doaj   +1 more source

Poincaré series for modular graph forms at depth two. Part II. Iterated integrals of cusp forms

open access: yesJournal of High Energy Physics, 2022
We continue the analysis of modular invariant functions, subject to inhomogeneous Laplace eigenvalue equations, that were determined in terms of Poincaré series in a companion paper. The source term of the Laplace equation is a product of (derivatives of)
Daniele Dorigoni   +2 more
doaj   +1 more source

Three dimensional pure gravity and generalized Hecke operators

open access: yesJournal of High Energy Physics, 2020
In this paper, we study mathematical functions of relevance to pure gravity in AdS3. Modular covariance places stringent constraints on the space of such functions; modular invariance places even stronger constraints on how they may be combined into ...
M. Ashrafi
doaj   +1 more source

Proof of a modular relation between 1-, 2- and 3-loop Feynman diagrams on a torus [PDF]

open access: yes, 2015
The coefficients of the higher-derivative terms in the low energy expansion of genus-one graviton Type II superstring scattering amplitudes are determined by integrating sums of non-holomorphic modular functions over the complex structure modulus of a ...
D'Hoker, Eric   +2 more
core   +2 more sources

Modular Schur Functions [PDF]

open access: yesTransactions of the American Mathematical Society, 1994
A new family of symmetric functions is considered. These functions are analogous to the classical Schur functions, but depend on an integer modulus p ⩾ 2 p \geqslant 2 , as well as on a partition λ \lambda .
openaire   +1 more source

Holomorphic almost modular forms [PDF]

open access: yes, 2003
Holomorphic almost modular forms are holomorphic functions of the complex upper half plane which can be approximated arbitrarily well (in a suitable sense) by modular forms of congruence subgroups of large index in $\SL(2,\ZZ)$.
Marklof, Jens
core   +2 more sources

Modular divisor functions and quadratic reciprocity [PDF]

open access: yes, 2010
It is a well-known result by B. Riemann that the terms of a conditionally convergent series of real numbers can be rearranged in a permutation such that the resulting series converges to any prescribed sum s: add p1 consecutive positive terms until their
Steiner, R.
core   +1 more source

Higher Coxeter graphs associated to affine su(3) modular invariants [PDF]

open access: yes, 2005
The affine $su(3)$ modular invariant partition functions in 2d RCFT are associated with a set of generalized Coxeter graphs. These partition functions fall into two classes, the block-diagonal (Type I) and the non block-diagonal (Type II) cases ...
Hammaoui, D., Schieber, G., Tahri, E. H.
core   +2 more sources

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