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9

Use a \parbox: \documentclass[twocolumn]{article} \usepackage{amsmath} \usepackage{lipsum} \begin{document} \lipsum*[2] \begin{equation} \partial_{ab}(i,j)= \begin{cases} 0, & \parbox[t]{.5\displaywidth}{ \raggedright if $(j,i,a)$ is immediately followed by the same job that follows $(j,i,b)$} \\ 1, & \text{otherwise} \end{cases} ...


4

Just drop those dreadful figure environments -- if it is not meant to float anyway, just use \includegraphics and a \captionof{figure}{caption text}\label{foo} etc. \documentclass{article} \usepackage{graphicx} \usepackage{caption} \usepackage{blindtext} \title{Theory on Ducks} \author{Paulo Roberto Massa Cereda (PhD. in Duckumentation)} \begin{document} ...


2

There are a few problems here: You have a opening { after \mode<presentation> but no closing brace, so I deleted that. beamer doesn't define a starred table environment. And it doesn't really make sense for it to do so either, columns in beamer are more like two minipages next to each other, text doesn't flow from one column to the other, as in e.g. ...


2

The provided class file has (in a couple of places) \enlargethispage{-23pt} which exactly accounts for this space. No idea why it is there clearly the journal wants that gap, perhaps in the published version they overlay an image or copyright notice or some such. it is anyway an intentional feature of the class file to have a white space there. Note ...


1

If there should be nothing else than a splitted background, this can be done with tcolorbox package quite easily. \documentclass{article} \usepackage{blindtext} \usepackage{xcolor} \usepackage{geometry} \usepackage[most]{tcolorbox} \geometry{margin=0pt} \newtcolorbox{bgbox}[1][]{nobeforeafter,leftright skip=0pt,boxrule=0pt,enhanced jigsaw,sharp ...


1

I have no problem with the following code. Note that twocolumn should not be issued. \documentclass[5p,times]{elsarticle} \usepackage{lipsum} \begin{document} \begin{frontmatter} \title{Title} \author{So Nia} \address{Department, University} \ead{so.nia@somewhere.xyz} \begin{abstract} \lipsum*[2] \end{abstract} \end{frontmatter} \section{Start} ...



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