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  1. No Access

    Article

    Lotka–Volterra model with Allee effect: equilibria, coexistence and size scaling of maximum and minimum abundance

    The Lotka–Volterra competition model (LVCM) is a fundamental tool for ecology, widely used to represent complex communities. The Allee effect (AE) is a phenomenon in which there is a positive correlation betwe...

    Denise Cammarota, Noemi Zeraick Monteiro, Rafael Menezes… in Journal of Mathematical Biology (2023)

  2. No Access

    Article

    Combining niche and game theories to address interspecific cooperation in ecological communities

    Incorporating cooperative interspecific interactions into the classical Niche Theory has been identified as a big challenge of population and community ecology. Attempting to fill this gap I present the Lotka-...

    Hugo Fort in Community Ecology (2020)

  3. No Access

    Chapter and Conference Paper

    Develo** Quantitative Methods in Community Ecology: Predicting Species Abundances from Qualitative Web Interaction Data

    Quantitative predictions of biodiversity of human-impacted ecological communities are crucial for their management. In the case of plant–pollinator mutualistic networks, despite the great progress in describin...

    Hugo Fort in Formal Methods in Macro-Biology (2014)

  4. Article

    Open Access

    Spatial correlation as leading indicator of catastrophic shifts

    Generic early-warning signals such as increased autocorrelation and variance have been demonstrated in time-series of systems with alternative stable states approaching a critical transition. However, lag time...

    Vasilis Dakos, Egbert H. van Nes, Raúl Donangelo, Hugo Fort… in Theoretical Ecology (2010)

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  5. Article

    Open Access

    Viral quasispecies profiles as the result of the interplay of competition and cooperation

    Viral quasispecies can be regarded as a swarm of genetically related mutants. A common approach employed to describe viral quasispecies is by means of the quasispecies equation (QE). However, a main criticism ...

    Juan Arbiza, Santiago Mirazo, Hugo Fort in BMC Evolutionary Biology (2010)

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  6. No Access

    Article

    The paradox of the clumps mathematically explained

    The lumpy distribution of species along a continuous one-dimensional niche axis recently found by Scheffer and van Nes (Scheffer and van Ness 2006) is explained mathematically. We show that it emerges simply from...

    Hugo Fort, Marten Scheffer, Egbert H. van Nes in Theoretical Ecology (2009)

  7. No Access

    Article

    U(1) Puzzle and the Strong CP Problem from a Holonomy Formulation Perspective

    We analyze the issue of a complete description of gauge field theories in termsof holonomies or nonlocal gauge invariants. In particular, we show that aformulation of QCD in terms of holonomies does not exhibi...

    Hugo Fort, R. Gambini in International Journal of Theoretical Physics (2000)