The series is directed by David Yates and distributed by Warner Bros. It consists of three fantasy films as of 2022: Fantastic Beasts and Where to Find Them (2016) [1]. The movie follows Newt Scamander, a magizoologist who travels to New York with a suitcase full of magical creatures. When some of the creatures escape, he teams up with a group of people to find them before they cause any harm.

Open-vocabulary semantic segmentation is a challenging task that requires segmenting novel object categories at inference time. Recent works explore vision-language pre-training to handle this task, but suffer from unrealistic assumptions in practical scenarios, i.e., low-quality textual category names. For example, this paradigm assumes that new textual categories will be accurately and completely provided, and exist in lexicons during pre-training. However, exceptions often happen when meet with ambiguity for brief or incomplete names, new words that are not present in the pre-trained lexicons, and difficult-to-describe categories for users. To address these issues, this work proposes a novel attribute decomposition-aggregation framework, AttrSeg, inspired by human cognition in understanding new concepts.

C.3 Other Differences Besides the above discussion, there are some other differences between Daniely [12] and our work. First, they analyze SGD, and we analyze a constrained optimization problem and projected SGD. This may be the reason why we can get a stronger bound on width. In the experiments in Section 5, we observe that SGD performs badly when the width is small (see the first left column in (b), Figure 4). Therefore, we suspect an algorithmic change is needed to train narrow nets with such width (due to the training difficulty), and we indeed propose a new method to train narrow nets. Second, they consider binary {+1, 1}dataset, while our results apply to arbitrary labels. In addition, their proof seems to be highly dependent on the fact that the labels are {+1, 1}, and seems hard to generalize to general labels.

Modern neural networks are often quite wide, causing large memory and computation costs. It is thus of great interest to train a narrower network. However, training narrow neural nets remains a challenging task. We ask two theoretical questions: Can narrow networks have as strong expressivity as wide ones? If so, does the loss function exhibit a benign optimization landscape?

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In this section, we give a formal functional definition of the decision-making policies introduced in Section 3. During each task, the agent sequentially observes samples xi [ 1,1] representing realizations of stochastic observations of the current innovation value. A map τ: [ 1,1]N N is a duration (of a decision task) if for all x [ 1,1]N, its value d= τ(x) Nat xdepends only on the first dcomponents x1,x2,...,xd of x = (x1,x2,...); mathematically speaking, if X is a discrete stochastic process (i.e., a random sequence), then τ(X) is a stopping time with respect to the filtration generated by X. This definition reflects the fact that the components x1,x2,... of the sequence x = (x1,x2,...) are generated sequentially, and the decision to stop testing an innovation depends only on what occurred so far. A concrete example of a duration function is the one, mentioned in the introduction and formalized in (4), that keeps drawing samples until the empirical average of the observed values xi surpasses/falls below a certain threshold, or a maximum number of samples have been drawn.

Inverse protein folding is challenging due to its inherent one-to-many mapping characteristic, where numerous possible amino acid sequences can fold into a single, identical protein backbone. This task involves not only identifying viable sequences but also representing the sheer diversity of potential solutions. However, existing discriminative models, such as transformer-based auto-regressive models, struggle to encapsulate the diverse range of plausible solutions. In contrast, diffusion probabilistic models, as an emerging genre of generative approaches, offer the potential to generate a diverse set of sequence candidates for determined protein backbones. We propose a novel graph denoising diffusion model for inverse protein folding, where a given protein backbone guides the diffusion process on the corresponding amino acid residue types. The model infers the joint distribution of amino acids conditioned on the nodes' physiochemical properties and local environment. Moreover, we utilize amino acid replacement matrices for the diffusion forward process, encoding the biologically meaningful prior knowledge of amino acids from their spatial and sequential neighbors as well as themselves, which reduces the sampling space of the generative process. Our model achieves state-of-the-art performance over a set of popular baseline methods in sequence recovery and exhibits great potential in generating diverse protein sequences for a determined protein backbone structure.

Proof of Proposition 1. Due to Jensen's inequality and the fact that, by assumption, the distribution of human predictions P(h|x) is not a point-mass, it holds that Eh[`(h(x),y) |x] > `(µh(x),y). Proof of Theorem 3. We first provide the proof of the unconstrained case. Note that the above problem is a linear program and it decouples with respect to x. Therefore, for each x, the optimal solution is clearly given by: π m(d= 1 |x) = 1 if Ey|x[`(m(x),y) Eh|x[`(h,y)]] >0 0 otherwise Next, we provide the proof of the constrained case. To this aim, we consider the dual formulation of the optimization problem, where we only introduce a Lagrangian multiplier τP,b for the first constraint, i.e., maximize Ex π(x) Ey,h|x[`(h,y)] Ey|x[`(m(x),y)] + Ex [τP,b(π(x) b)] (13) subject to 0 π(x) 1 x X. (14) 13 The inner minimization problem can be solved using the similar argument for the unconstrained case.